420161210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 889574400

約数和(自身を除く): 469413190

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 109, 218, 265, 371, 530, 545, 742, 763, 1039, 1090, 1526, 1855, 2078, 3710, 3815, 5195, 5777, 7273, 7630, 10390, 11554, 14546, 28885, 36365, 40439, 55067, 57770, 72730, 80878, 110134, 113251, 202195, 226502, 275335, 385469, 404390, 550670, 566255, 770938, 792757, 1132510, 1585514, 1927345, 3854690, 3963785, 6002303, 7927570, 12004606, 30011515, 42016121, 60023030, 84032242, 210080605, 420161210]

約数ペア:

[(1, 420161210), (2, 210080605), (5, 84032242), (7, 60023030), (10, 42016121), (14, 30011515), (35, 12004606), (53, 7927570), (70, 6002303), (106, 3963785), (109, 3854690), (218, 1927345), (265, 1585514), (371, 1132510), (530, 792757), (545, 770938), (742, 566255), (763, 550670), (1039, 404390), (1090, 385469), (1526, 275335), (1855, 226502), (2078, 202195), (3710, 113251), (3815, 110134), (5195, 80878), (5777, 72730), (7273, 57770), (7630, 55067), (10390, 40439), (11554, 36365), (14546, 28885)]