1788570040

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{97843}}^1$

素因数の和:98311

約数の個数: 32

約数和(自身を含む): 4033129680

約数和(自身を除く): 2244559640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140, 18280, 97843, 195686, 391372, 489215, 782744, 978430, 1956860, 3913720, 44714251, 89428502, 178857004, 223571255, 357714008, 447142510, 894285020, 1788570040]

約数ペア:

[(1, 1788570040), (2, 894285020), (4, 447142510), (5, 357714008), (8, 223571255), (10, 178857004), (20, 89428502), (40, 44714251), (457, 3913720), (914, 1956860), (1828, 978430), (2285, 782744), (3656, 489215), (4570, 391372), (9140, 195686), (18280, 97843)]