255724975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{149}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 352711800

約数和(自身を除く): 96986825

約数列:

[1, 5, 11, 25, 55, 79, 149, 275, 395, 745, 869, 1639, 1975, 3725, 4345, 6241, 8195, 11771, 21725, 31205, 40975, 58855, 68651, 129481, 156025, 294275, 343255, 647405, 929909, 1716275, 3237025, 4649545, 10228999, 23247725, 51144995, 255724975]

約数ペア:

[(1, 255724975), (5, 51144995), (11, 23247725), (25, 10228999), (55, 4649545), (79, 3237025), (149, 1716275), (275, 929909), (395, 647405), (745, 343255), (869, 294275), (1639, 156025), (1975, 129481), (3725, 68651), (4345, 58855), (6241, 40975), (8195, 31205), (11771, 21725)]