8174140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 18698400

約数和(自身を除く): 10524260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 211, 260, 298, 422, 596, 745, 844, 1055, 1490, 1937, 2110, 2743, 2980, 3874, 4220, 5486, 7748, 9685, 10972, 13715, 19370, 27430, 31439, 38740, 54860, 62878, 125756, 157195, 314390, 408707, 628780, 817414, 1634828, 2043535, 4087070, 8174140]

約数ペア:

[(1, 8174140), (2, 4087070), (4, 2043535), (5, 1634828), (10, 817414), (13, 628780), (20, 408707), (26, 314390), (52, 157195), (65, 125756), (130, 62878), (149, 54860), (211, 38740), (260, 31439), (298, 27430), (422, 19370), (596, 13715), (745, 10972), (844, 9685), (1055, 7748), (1490, 5486), (1937, 4220), (2110, 3874), (2743, 2980)]