490100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 54

約数和(自身を含む): 1191330

約数和(自身を除く): 701230

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 169, 260, 290, 325, 338, 377, 580, 650, 676, 725, 754, 845, 1300, 1450, 1508, 1690, 1885, 2900, 3380, 3770, 4225, 4901, 7540, 8450, 9425, 9802, 16900, 18850, 19604, 24505, 37700, 49010, 98020, 122525, 245050, 490100]

約数ペア:

[(1, 490100), (2, 245050), (4, 122525), (5, 98020), (10, 49010), (13, 37700), (20, 24505), (25, 19604), (26, 18850), (29, 16900), (50, 9802), (52, 9425), (58, 8450), (65, 7540), (100, 4901), (116, 4225), (130, 3770), (145, 3380), (169, 2900), (260, 1885), (290, 1690), (325, 1508), (338, 1450), (377, 1300), (580, 845), (650, 754), (676, 725)]