774267460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{16987}}^1$

素因数の和:17092

約数の個数: 48

約数和(自身を含む): 1695266496

約数和(自身を除く): 920999036

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 2279, 4558, 9116, 11395, 16987, 22790, 33974, 45580, 67948, 84935, 169870, 339740, 730441, 900311, 1460882, 1800622, 2921764, 3601244, 3652205, 4501555, 7304410, 9003110, 14608820, 18006220, 38713373, 77426746, 154853492, 193566865, 387133730, 774267460]

約数ペア:

[(1, 774267460), (2, 387133730), (4, 193566865), (5, 154853492), (10, 77426746), (20, 38713373), (43, 18006220), (53, 14608820), (86, 9003110), (106, 7304410), (172, 4501555), (212, 3652205), (215, 3601244), (265, 2921764), (430, 1800622), (530, 1460882), (860, 900311), (1060, 730441), (2279, 339740), (4558, 169870), (9116, 84935), (11395, 67948), (16987, 45580), (22790, 33974)]