1906431800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 288

約数和(自身を含む): 5688698400

約数和(自身を除く): 3782266600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 31, 35, 40, 50, 52, 56, 62, 65, 70, 91, 100, 104, 109, 124, 130, 140, 155, 175, 182, 200, 217, 218, 248, 260, 280, 310, 325, 350, 364, 403, 434, 436, 455, 520, 545, 620, 650, 700, 728, 763, 775, 806, 868, 872, 910, 961, 1085, 1090, 1240, 1300, 1400, 1417, 1526, 1550, 1612, 1736, 1820, 1922, 2015, 2170, 2180, 2275, 2600, 2725, 2821, 2834, 3052, 3100, 3224, 3379, 3640, 3815, 3844, 4030, 4340, 4360, 4550, 4805, 5425, 5450, 5642, 5668, 6104, 6200, 6727, 6758, 7085, 7630, 7688, 8060, 8680, 9100, 9610, 9919, 10075, 10850, 10900, 11284, 11336, 12493, 13454, 13516, 14105, 14170, 15260, 16120, 16895, 18200, 19075, 19220, 19838, 20150, 21700, 21800, 22568, 23653, 24025, 24986, 26908, 27032, 28210, 28340, 30520, 33635, 33790, 35425, 38150, 38440, 39676, 40300, 43400, 43927, 47306, 48050, 49595, 49972, 53816, 56420, 56680, 62465, 67270, 67580, 70525, 70850, 76300, 79352, 80600, 84475, 87451, 87854, 94612, 96100, 99190, 99944, 104749, 112840, 118265, 124930, 134540, 135160, 141050, 141700, 152600, 168175, 168950, 174902, 175708, 189224, 192200, 198380, 209498, 219635, 236530, 247975, 249860, 269080, 282100, 283400, 307489, 312325, 336350, 337900, 349804, 351416, 396760, 418996, 437255, 439270, 473060, 495950, 499720, 523745, 564200, 591325, 614978, 624650, 672700, 675800, 699608, 733243, 837992, 874510, 878540, 946120, 991900, 1047490, 1098175, 1182650, 1229956, 1249300, 1345400, 1361737, 1466486, 1537445, 1749020, 1757080, 1983800, 2094980, 2186275, 2196350, 2365300, 2459912, 2498600, 2618725, 2723474, 2932972, 3074890, 3498040, 3666215, 4189960, 4372550, 4392700, 4730600, 5237450, 5446948, 5865944, 6149780, 6808685, 7332430, 7687225, 8745100, 8785400, 9532159, 10474900, 10893896, 12299560, 13617370, 14664860, 15374450, 17490200, 18331075, 19064318, 20949800, 27234740, 29329720, 30748900, 34043425, 36662150, 38128636, 47660795, 54469480, 61497800, 68086850, 73324300, 76257272, 95321590, 136173700, 146648600, 190643180, 238303975, 272347400, 381286360, 476607950, 953215900, 1906431800]

約数ペア:

[(1, 1906431800), (2, 953215900), (4, 476607950), (5, 381286360), (7, 272347400), (8, 238303975), (10, 190643180), (13, 146648600), (14, 136173700), (20, 95321590), (25, 76257272), (26, 73324300), (28, 68086850), (31, 61497800), (35, 54469480), (40, 47660795), (50, 38128636), (52, 36662150), (56, 34043425), (62, 30748900), (65, 29329720), (70, 27234740), (91, 20949800), (100, 19064318), (104, 18331075), (109, 17490200), (124, 15374450), (130, 14664860), (140, 13617370), (155, 12299560), (175, 10893896), (182, 10474900), (200, 9532159), (217, 8785400), (218, 8745100), (248, 7687225), (260, 7332430), (280, 6808685), (310, 6149780), (325, 5865944), (350, 5446948), (364, 5237450), (403, 4730600), (434, 4392700), (436, 4372550), (455, 4189960), (520, 3666215), (545, 3498040), (620, 3074890), (650, 2932972), (700, 2723474), (728, 2618725), (763, 2498600), (775, 2459912), (806, 2365300), (868, 2196350), (872, 2186275), (910, 2094980), (961, 1983800), (1085, 1757080), (1090, 1749020), (1240, 1537445), (1300, 1466486), (1400, 1361737), (1417, 1345400), (1526, 1249300), (1550, 1229956), (1612, 1182650), (1736, 1098175), (1820, 1047490), (1922, 991900), (2015, 946120), (2170, 878540), (2180, 874510), (2275, 837992), (2600, 733243), (2725, 699608), (2821, 675800), (2834, 672700), (3052, 624650), (3100, 614978), (3224, 591325), (3379, 564200), (3640, 523745), (3815, 499720), (3844, 495950), (4030, 473060), (4340, 439270), (4360, 437255), (4550, 418996), (4805, 396760), (5425, 351416), (5450, 349804), (5642, 337900), (5668, 336350), (6104, 312325), (6200, 307489), (6727, 283400), (6758, 282100), (7085, 269080), (7630, 249860), (7688, 247975), (8060, 236530), (8680, 219635), (9100, 209498), (9610, 198380), (9919, 192200), (10075, 189224), (10850, 175708), (10900, 174902), (11284, 168950), (11336, 168175), (12493, 152600), (13454, 141700), (13516, 141050), (14105, 135160), (14170, 134540), (15260, 124930), (16120, 118265), (16895, 112840), (18200, 104749), (19075, 99944), (19220, 99190), (19838, 96100), (20150, 94612), (21700, 87854), (21800, 87451), (22568, 84475), (23653, 80600), (24025, 79352), (24986, 76300), (26908, 70850), (27032, 70525), (28210, 67580), (28340, 67270), (30520, 62465), (33635, 56680), (33790, 56420), (35425, 53816), (38150, 49972), (38440, 49595), (39676, 48050), (40300, 47306), (43400, 43927)]