78618620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 92025700

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 430, 452, 565, 809, 860, 1130, 1618, 2260, 3236, 4045, 4859, 8090, 9718, 16180, 19436, 24295, 34787, 48590, 69574, 91417, 97180, 139148, 173935, 182834, 347870, 365668, 457085, 695740, 914170, 1828340, 3930931, 7861862, 15723724, 19654655, 39309310, 78618620]

約数ペア:

[(1, 78618620), (2, 39309310), (4, 19654655), (5, 15723724), (10, 7861862), (20, 3930931), (43, 1828340), (86, 914170), (113, 695740), (172, 457085), (215, 365668), (226, 347870), (430, 182834), (452, 173935), (565, 139148), (809, 97180), (860, 91417), (1130, 69574), (1618, 48590), (2260, 34787), (3236, 24295), (4045, 19436), (4859, 16180), (8090, 9718)]