307928090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{7639}}^1$

素因数の和:7814

約数の個数: 32

約数和(自身を含む): 577584000

約数和(自身を除く): 269655910

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 7639, 8062, 15278, 20155, 38195, 40310, 76390, 221531, 443062, 1061821, 1107655, 2123642, 2215310, 5309105, 10618210, 30792809, 61585618, 153964045, 307928090]

約数ペア:

[(1, 307928090), (2, 153964045), (5, 61585618), (10, 30792809), (29, 10618210), (58, 5309105), (139, 2215310), (145, 2123642), (278, 1107655), (290, 1061821), (695, 443062), (1390, 221531), (4031, 76390), (7639, 40310), (8062, 38195), (15278, 20155)]