851222450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{12239}}^1$

素因数の和:12371

約数の個数: 48

約数和(自身を含む): 1721139840

約数和(自身を除く): 869917390

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 325, 535, 650, 1070, 1391, 2675, 2782, 5350, 6955, 12239, 13910, 24478, 34775, 61195, 69550, 122390, 159107, 305975, 318214, 611950, 795535, 1309573, 1591070, 2619146, 3977675, 6547865, 7955350, 13095730, 17024449, 32739325, 34048898, 65478650, 85122245, 170244490, 425611225, 851222450]

約数ペア:

[(1, 851222450), (2, 425611225), (5, 170244490), (10, 85122245), (13, 65478650), (25, 34048898), (26, 32739325), (50, 17024449), (65, 13095730), (107, 7955350), (130, 6547865), (214, 3977675), (325, 2619146), (535, 1591070), (650, 1309573), (1070, 795535), (1391, 611950), (2675, 318214), (2782, 305975), (5350, 159107), (6955, 122390), (12239, 69550), (13910, 61195), (24478, 34775)]