70981540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 178343424

約数和(自身を除く): 107361884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 71, 74, 140, 142, 148, 185, 193, 259, 284, 355, 370, 386, 497, 518, 710, 740, 772, 965, 994, 1036, 1295, 1351, 1420, 1930, 1988, 2485, 2590, 2627, 2702, 3860, 4970, 5180, 5254, 5404, 6755, 7141, 9940, 10508, 13135, 13510, 13703, 14282, 18389, 26270, 27020, 27406, 28564, 35705, 36778, 49987, 52540, 54812, 68515, 71410, 73556, 91945, 95921, 99974, 137030, 142820, 183890, 191842, 199948, 249935, 274060, 367780, 383684, 479605, 499870, 507011, 959210, 999740, 1014022, 1918420, 2028044, 2535055, 3549077, 5070110, 7098154, 10140220, 14196308, 17745385, 35490770, 70981540]

約数ペア:

[(1, 70981540), (2, 35490770), (4, 17745385), (5, 14196308), (7, 10140220), (10, 7098154), (14, 5070110), (20, 3549077), (28, 2535055), (35, 2028044), (37, 1918420), (70, 1014022), (71, 999740), (74, 959210), (140, 507011), (142, 499870), (148, 479605), (185, 383684), (193, 367780), (259, 274060), (284, 249935), (355, 199948), (370, 191842), (386, 183890), (497, 142820), (518, 137030), (710, 99974), (740, 95921), (772, 91945), (965, 73556), (994, 71410), (1036, 68515), (1295, 54812), (1351, 52540), (1420, 49987), (1930, 36778), (1988, 35705), (2485, 28564), (2590, 27406), (2627, 27020), (2702, 26270), (3860, 18389), (4970, 14282), (5180, 13703), (5254, 13510), (5404, 13135), (6755, 10508), (7141, 9940)]