128467970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 241012800

約数和(自身を除く): 112544830

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 3187, 4031, 6374, 8062, 15935, 20155, 31870, 40310, 92423, 184846, 442993, 462115, 885986, 924230, 2214965, 4429930, 12846797, 25693594, 64233985, 128467970]

約数ペア:

[(1, 128467970), (2, 64233985), (5, 25693594), (10, 12846797), (29, 4429930), (58, 2214965), (139, 924230), (145, 885986), (278, 462115), (290, 442993), (695, 184846), (1390, 92423), (3187, 40310), (4031, 31870), (6374, 20155), (8062, 15935)]