207375140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{3299}}^1$

素因数の和:3764

約数の個数: 48

約数和(自身を含む): 498960000

約数和(自身を除く): 291584860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 3299, 4490, 6286, 6598, 8980, 12572, 13196, 15715, 16495, 23093, 31430, 32990, 46186, 62860, 65980, 92372, 115465, 230930, 461860, 1481251, 2962502, 5925004, 7406255, 10368757, 14812510, 20737514, 29625020, 41475028, 51843785, 103687570, 207375140]

約数ペア:

[(1, 207375140), (2, 103687570), (4, 51843785), (5, 41475028), (7, 29625020), (10, 20737514), (14, 14812510), (20, 10368757), (28, 7406255), (35, 5925004), (70, 2962502), (140, 1481251), (449, 461860), (898, 230930), (1796, 115465), (2245, 92372), (3143, 65980), (3299, 62860), (4490, 46186), (6286, 32990), (6598, 31430), (8980, 23093), (12572, 16495), (13196, 15715)]