70028920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1144

約数の個数: 64

約数和(自身を含む): 171097920

約数和(自身を除く): 101069000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 983, 1096, 1370, 1781, 1966, 2740, 3562, 3932, 4915, 5480, 7124, 7864, 8905, 9830, 12779, 14248, 17810, 19660, 25558, 35620, 39320, 51116, 63895, 71240, 102232, 127790, 134671, 255580, 269342, 511160, 538684, 673355, 1077368, 1346710, 1750723, 2693420, 3501446, 5386840, 7002892, 8753615, 14005784, 17507230, 35014460, 70028920]

約数ペア:

[(1, 70028920), (2, 35014460), (4, 17507230), (5, 14005784), (8, 8753615), (10, 7002892), (13, 5386840), (20, 3501446), (26, 2693420), (40, 1750723), (52, 1346710), (65, 1077368), (104, 673355), (130, 538684), (137, 511160), (260, 269342), (274, 255580), (520, 134671), (548, 127790), (685, 102232), (983, 71240), (1096, 63895), (1370, 51116), (1781, 39320), (1966, 35620), (2740, 25558), (3562, 19660), (3932, 17810), (4915, 14248), (5480, 12779), (7124, 9830), (7864, 8905)]