91198520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{325709}}^1$

素因数の和:325727

約数の個数: 32

約数和(自身を含む): 234511200

約数和(自身を除く): 143312680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 325709, 651418, 1302836, 1628545, 2279963, 2605672, 3257090, 4559926, 6514180, 9119852, 11399815, 13028360, 18239704, 22799630, 45599260, 91198520]

約数ペア:

[(1, 91198520), (2, 45599260), (4, 22799630), (5, 18239704), (7, 13028360), (8, 11399815), (10, 9119852), (14, 6514180), (20, 4559926), (28, 3257090), (35, 2605672), (40, 2279963), (56, 1628545), (70, 1302836), (140, 651418), (280, 325709)]