278364200

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{113}}^2$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 658965450

約数和(自身を除く): 380601250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 113, 200, 218, 226, 436, 452, 545, 565, 872, 904, 1090, 1130, 2180, 2260, 2725, 2825, 4360, 4520, 5450, 5650, 10900, 11300, 12317, 12769, 21800, 22600, 24634, 25538, 49268, 51076, 61585, 63845, 98536, 102152, 123170, 127690, 246340, 255380, 307925, 319225, 492680, 510760, 615850, 638450, 1231700, 1276900, 1391821, 2463400, 2553800, 2783642, 5567284, 6959105, 11134568, 13918210, 27836420, 34795525, 55672840, 69591050, 139182100, 278364200]

約数ペア:

[(1, 278364200), (2, 139182100), (4, 69591050), (5, 55672840), (8, 34795525), (10, 27836420), (20, 13918210), (25, 11134568), (40, 6959105), (50, 5567284), (100, 2783642), (109, 2553800), (113, 2463400), (200, 1391821), (218, 1276900), (226, 1231700), (436, 638450), (452, 615850), (545, 510760), (565, 492680), (872, 319225), (904, 307925), (1090, 255380), (1130, 246340), (2180, 127690), (2260, 123170), (2725, 102152), (2825, 98536), (4360, 63845), (4520, 61585), (5450, 51076), (5650, 49268), (10900, 25538), (11300, 24634), (12317, 22600), (12769, 21800)]