49188100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 116160968

約数和(自身を除く): 66972868

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 157, 241, 260, 314, 325, 482, 628, 650, 785, 964, 1205, 1300, 1570, 2041, 2410, 3133, 3140, 3925, 4082, 4820, 6025, 6266, 7850, 8164, 10205, 12050, 12532, 15665, 15700, 20410, 24100, 31330, 37837, 40820, 51025, 62660, 75674, 78325, 102050, 151348, 156650, 189185, 204100, 313300, 378370, 491881, 756740, 945925, 983762, 1891850, 1967524, 2459405, 3783700, 4918810, 9837620, 12297025, 24594050, 49188100]

約数ペア:

[(1, 49188100), (2, 24594050), (4, 12297025), (5, 9837620), (10, 4918810), (13, 3783700), (20, 2459405), (25, 1967524), (26, 1891850), (50, 983762), (52, 945925), (65, 756740), (100, 491881), (130, 378370), (157, 313300), (241, 204100), (260, 189185), (314, 156650), (325, 151348), (482, 102050), (628, 78325), (650, 75674), (785, 62660), (964, 51025), (1205, 40820), (1300, 37837), (1570, 31330), (2041, 24100), (2410, 20410), (3133, 15700), (3140, 15665), (3925, 12532), (4082, 12050), (4820, 10205), (6025, 8164), (6266, 7850)]