31074940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 70997472

約数和(自身を除く): 39922532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1117, 1391, 2140, 2234, 2782, 4468, 5564, 5585, 6955, 11170, 13910, 14521, 22340, 27820, 29042, 58084, 72605, 119519, 145210, 239038, 290420, 478076, 597595, 1195190, 1553747, 2390380, 3107494, 6214988, 7768735, 15537470, 31074940]

約数ペア:

[(1, 31074940), (2, 15537470), (4, 7768735), (5, 6214988), (10, 3107494), (13, 2390380), (20, 1553747), (26, 1195190), (52, 597595), (65, 478076), (107, 290420), (130, 239038), (214, 145210), (260, 119519), (428, 72605), (535, 58084), (1070, 29042), (1117, 27820), (1391, 22340), (2140, 14521), (2234, 13910), (2782, 11170), (4468, 6955), (5564, 5585)]