647199420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{5563}}^1$

素因数の和:5859

約数の個数: 96

約数和(自身を含む): 2078888448

約数和(自身を除く): 1431689028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 277, 420, 554, 831, 1108, 1385, 1662, 1939, 2770, 3324, 3878, 4155, 5540, 5563, 5817, 7756, 8310, 9695, 11126, 11634, 16620, 16689, 19390, 22252, 23268, 27815, 29085, 33378, 38780, 38941, 55630, 58170, 66756, 77882, 83445, 111260, 116340, 116823, 155764, 166890, 194705, 233646, 333780, 389410, 467292, 584115, 778820, 1168230, 1540951, 2336460, 3081902, 4622853, 6163804, 7704755, 9245706, 10786657, 15409510, 18491412, 21573314, 23114265, 30819020, 32359971, 43146628, 46228530, 53933285, 64719942, 92457060, 107866570, 129439884, 161799855, 215733140, 323599710, 647199420]

約数ペア:

[(1, 647199420), (2, 323599710), (3, 215733140), (4, 161799855), (5, 129439884), (6, 107866570), (7, 92457060), (10, 64719942), (12, 53933285), (14, 46228530), (15, 43146628), (20, 32359971), (21, 30819020), (28, 23114265), (30, 21573314), (35, 18491412), (42, 15409510), (60, 10786657), (70, 9245706), (84, 7704755), (105, 6163804), (140, 4622853), (210, 3081902), (277, 2336460), (420, 1540951), (554, 1168230), (831, 778820), (1108, 584115), (1385, 467292), (1662, 389410), (1939, 333780), (2770, 233646), (3324, 194705), (3878, 166890), (4155, 155764), (5540, 116823), (5563, 116340), (5817, 111260), (7756, 83445), (8310, 77882), (9695, 66756), (11126, 58170), (11634, 55630), (16620, 38941), (16689, 38780), (19390, 33378), (22252, 29085), (23268, 27815)]