438491900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 216

約数和(自身を含む): 1241253888

約数和(自身を除く): 802761988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 121, 124, 140, 154, 155, 167, 175, 217, 220, 242, 275, 308, 310, 334, 341, 350, 385, 434, 484, 550, 605, 620, 668, 682, 700, 770, 775, 835, 847, 868, 1085, 1100, 1169, 1210, 1364, 1540, 1550, 1670, 1694, 1705, 1837, 1925, 2170, 2338, 2387, 2420, 3025, 3100, 3340, 3388, 3410, 3674, 3751, 3850, 4175, 4235, 4340, 4676, 4774, 5177, 5425, 5845, 6050, 6820, 7348, 7502, 7700, 8350, 8470, 8525, 9185, 9548, 10354, 10850, 11690, 11935, 12100, 12859, 15004, 16700, 16940, 17050, 18370, 18755, 20207, 20708, 21175, 21700, 23380, 23870, 25718, 25885, 26257, 29225, 34100, 36239, 36740, 37510, 40414, 42350, 45925, 47740, 51436, 51770, 52514, 56947, 58450, 59675, 64295, 72478, 75020, 80828, 84700, 91850, 93775, 101035, 103540, 105028, 113894, 116900, 119350, 128590, 129425, 131285, 141449, 144956, 181195, 183700, 187550, 202070, 227788, 238700, 257180, 258850, 262570, 282898, 284735, 321475, 362390, 375100, 398629, 404140, 505175, 517700, 525140, 565796, 569470, 626417, 642950, 656425, 707245, 724780, 797258, 905975, 1010350, 1138940, 1252834, 1285900, 1312850, 1414490, 1423675, 1594516, 1811950, 1993145, 2020700, 2505668, 2625700, 2828980, 2847350, 3132085, 3536225, 3623900, 3986290, 4384919, 5694700, 6264170, 7072450, 7972580, 8769838, 9965725, 12528340, 14144900, 15660425, 17539676, 19931450, 21924595, 31320850, 39862900, 43849190, 62641700, 87698380, 109622975, 219245950, 438491900]

約数ペア:

[(1, 438491900), (2, 219245950), (4, 109622975), (5, 87698380), (7, 62641700), (10, 43849190), (11, 39862900), (14, 31320850), (20, 21924595), (22, 19931450), (25, 17539676), (28, 15660425), (31, 14144900), (35, 12528340), (44, 9965725), (50, 8769838), (55, 7972580), (62, 7072450), (70, 6264170), (77, 5694700), (100, 4384919), (110, 3986290), (121, 3623900), (124, 3536225), (140, 3132085), (154, 2847350), (155, 2828980), (167, 2625700), (175, 2505668), (217, 2020700), (220, 1993145), (242, 1811950), (275, 1594516), (308, 1423675), (310, 1414490), (334, 1312850), (341, 1285900), (350, 1252834), (385, 1138940), (434, 1010350), (484, 905975), (550, 797258), (605, 724780), (620, 707245), (668, 656425), (682, 642950), (700, 626417), (770, 569470), (775, 565796), (835, 525140), (847, 517700), (868, 505175), (1085, 404140), (1100, 398629), (1169, 375100), (1210, 362390), (1364, 321475), (1540, 284735), (1550, 282898), (1670, 262570), (1694, 258850), (1705, 257180), (1837, 238700), (1925, 227788), (2170, 202070), (2338, 187550), (2387, 183700), (2420, 181195), (3025, 144956), (3100, 141449), (3340, 131285), (3388, 129425), (3410, 128590), (3674, 119350), (3751, 116900), (3850, 113894), (4175, 105028), (4235, 103540), (4340, 101035), (4676, 93775), (4774, 91850), (5177, 84700), (5425, 80828), (5845, 75020), (6050, 72478), (6820, 64295), (7348, 59675), (7502, 58450), (7700, 56947), (8350, 52514), (8470, 51770), (8525, 51436), (9185, 47740), (9548, 45925), (10354, 42350), (10850, 40414), (11690, 37510), (11935, 36740), (12100, 36239), (12859, 34100), (15004, 29225), (16700, 26257), (16940, 25885), (17050, 25718), (18370, 23870), (18755, 23380), (20207, 21700), (20708, 21175)]