31314140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10949}}^1$

素因数の和:10982

約数の個数: 48

約数和(自身を含む): 77263200

約数和(自身を除く): 45949060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10949, 21898, 43796, 54745, 109490, 120439, 142337, 218980, 240878, 284674, 481756, 569348, 602195, 711685, 1204390, 1423370, 1565707, 2408780, 2846740, 3131414, 6262828, 7828535, 15657070, 31314140]

約数ペア:

[(1, 31314140), (2, 15657070), (4, 7828535), (5, 6262828), (10, 3131414), (11, 2846740), (13, 2408780), (20, 1565707), (22, 1423370), (26, 1204390), (44, 711685), (52, 602195), (55, 569348), (65, 481756), (110, 284674), (130, 240878), (143, 218980), (220, 142337), (260, 120439), (286, 109490), (572, 54745), (715, 43796), (1430, 21898), (2860, 10949)]