72400390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 134434080

約数和(自身を除く): 62033690

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 430, 685, 1229, 1370, 2458, 5891, 6145, 11782, 12290, 29455, 52847, 58910, 105694, 168373, 264235, 336746, 528470, 841865, 1683730, 7240039, 14480078, 36200195, 72400390]

約数ペア:

[(1, 72400390), (2, 36200195), (5, 14480078), (10, 7240039), (43, 1683730), (86, 841865), (137, 528470), (215, 336746), (274, 264235), (430, 168373), (685, 105694), (1229, 58910), (1370, 52847), (2458, 29455), (5891, 12290), (6145, 11782)]