399735700

素因数分解:

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

素因数の和:187

約数の個数: 216

約数和(自身を含む): 1118261760

約数和(自身を除く): 718526060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 109, 124, 130, 140, 155, 169, 175, 182, 217, 218, 260, 310, 325, 338, 350, 364, 403, 434, 436, 455, 545, 620, 650, 676, 700, 763, 775, 806, 845, 868, 910, 1085, 1090, 1183, 1300, 1417, 1526, 1550, 1612, 1690, 1820, 2015, 2170, 2180, 2275, 2366, 2725, 2821, 2834, 3052, 3100, 3379, 3380, 3815, 4030, 4225, 4340, 4550, 4732, 5239, 5425, 5450, 5642, 5668, 5915, 6758, 7085, 7630, 8060, 8450, 9100, 9919, 10075, 10478, 10850, 10900, 11284, 11830, 13516, 14105, 14170, 15260, 16895, 16900, 18421, 19075, 19838, 20150, 20956, 21700, 23653, 23660, 26195, 28210, 28340, 29575, 33790, 35425, 36673, 36842, 38150, 39676, 40300, 43927, 47306, 49595, 52390, 56420, 59150, 67580, 70525, 70850, 73346, 73684, 76300, 84475, 87854, 92105, 94612, 99190, 104780, 118265, 118300, 128947, 130975, 141050, 141700, 146692, 168950, 175708, 183365, 184210, 198380, 219635, 236530, 247975, 257894, 261950, 282100, 307489, 337900, 366730, 368420, 439270, 460525, 473060, 495950, 515788, 523900, 571051, 591325, 614978, 644735, 733460, 878540, 916825, 921050, 991900, 1098175, 1142102, 1182650, 1229956, 1289470, 1537445, 1833650, 1842100, 2196350, 2284204, 2365300, 2578940, 2855255, 3074890, 3223675, 3667300, 3997357, 4392700, 5710510, 6149780, 6447350, 7687225, 7994714, 11421020, 12894700, 14276275, 15374450, 15989428, 19986785, 28552550, 30748900, 39973570, 57105100, 79947140, 99933925, 199867850, 399735700]

約数ペア:

[(1, 399735700), (2, 199867850), (4, 99933925), (5, 79947140), (7, 57105100), (10, 39973570), (13, 30748900), (14, 28552550), (20, 19986785), (25, 15989428), (26, 15374450), (28, 14276275), (31, 12894700), (35, 11421020), (50, 7994714), (52, 7687225), (62, 6447350), (65, 6149780), (70, 5710510), (91, 4392700), (100, 3997357), (109, 3667300), (124, 3223675), (130, 3074890), (140, 2855255), (155, 2578940), (169, 2365300), (175, 2284204), (182, 2196350), (217, 1842100), (218, 1833650), (260, 1537445), (310, 1289470), (325, 1229956), (338, 1182650), (350, 1142102), (364, 1098175), (403, 991900), (434, 921050), (436, 916825), (455, 878540), (545, 733460), (620, 644735), (650, 614978), (676, 591325), (700, 571051), (763, 523900), (775, 515788), (806, 495950), (845, 473060), (868, 460525), (910, 439270), (1085, 368420), (1090, 366730), (1183, 337900), (1300, 307489), (1417, 282100), (1526, 261950), (1550, 257894), (1612, 247975), (1690, 236530), (1820, 219635), (2015, 198380), (2170, 184210), (2180, 183365), (2275, 175708), (2366, 168950), (2725, 146692), (2821, 141700), (2834, 141050), (3052, 130975), (3100, 128947), (3379, 118300), (3380, 118265), (3815, 104780), (4030, 99190), (4225, 94612), (4340, 92105), (4550, 87854), (4732, 84475), (5239, 76300), (5425, 73684), (5450, 73346), (5642, 70850), (5668, 70525), (5915, 67580), (6758, 59150), (7085, 56420), (7630, 52390), (8060, 49595), (8450, 47306), (9100, 43927), (9919, 40300), (10075, 39676), (10478, 38150), (10850, 36842), (10900, 36673), (11284, 35425), (11830, 33790), (13516, 29575), (14105, 28340), (14170, 28210), (15260, 26195), (16895, 23660), (16900, 23653), (18421, 21700), (19075, 20956), (19838, 20150)]