621465820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{1181}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 1326090528

約数和(自身を除く): 704624708

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 317, 332, 415, 634, 830, 1181, 1268, 1585, 1660, 2362, 3170, 4724, 5905, 6340, 11810, 23620, 26311, 52622, 98023, 105244, 131555, 196046, 263110, 374377, 392092, 490115, 526220, 748754, 980230, 1497508, 1871885, 1960460, 3743770, 7487540, 31073291, 62146582, 124293164, 155366455, 310732910, 621465820]

約数ペア:

[(1, 621465820), (2, 310732910), (4, 155366455), (5, 124293164), (10, 62146582), (20, 31073291), (83, 7487540), (166, 3743770), (317, 1960460), (332, 1871885), (415, 1497508), (634, 980230), (830, 748754), (1181, 526220), (1268, 490115), (1585, 392092), (1660, 374377), (2362, 263110), (3170, 196046), (4724, 131555), (5905, 105244), (6340, 98023), (11810, 52622), (23620, 26311)]