68821025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 106243200

約数和(自身を除く): 37422175

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 179, 325, 455, 845, 895, 1183, 1253, 2197, 2275, 2327, 4225, 4475, 5915, 6265, 10985, 11635, 15379, 16289, 29575, 30251, 31325, 54925, 58175, 76895, 81445, 151255, 211757, 384475, 393263, 407225, 756275, 1058785, 1966315, 2752841, 5293925, 9831575, 13764205, 68821025]

約数ペア:

[(1, 68821025), (5, 13764205), (7, 9831575), (13, 5293925), (25, 2752841), (35, 1966315), (65, 1058785), (91, 756275), (169, 407225), (175, 393263), (179, 384475), (325, 211757), (455, 151255), (845, 81445), (895, 76895), (1183, 58175), (1253, 54925), (2197, 31325), (2275, 30251), (2327, 29575), (4225, 16289), (4475, 15379), (5915, 11635), (6265, 10985)]