198571900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{6871}}^1$

素因数の和:6919

約数の個数: 54

約数和(自身を含む): 457805768

約数和(自身を除く): 259233868

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1445, 1700, 2890, 5780, 6871, 7225, 13742, 14450, 27484, 28900, 34355, 68710, 116807, 137420, 171775, 233614, 343550, 467228, 584035, 687100, 1168070, 1985719, 2336140, 2920175, 3971438, 5840350, 7942876, 9928595, 11680700, 19857190, 39714380, 49642975, 99285950, 198571900]

約数ペア:

[(1, 198571900), (2, 99285950), (4, 49642975), (5, 39714380), (10, 19857190), (17, 11680700), (20, 9928595), (25, 7942876), (34, 5840350), (50, 3971438), (68, 2920175), (85, 2336140), (100, 1985719), (170, 1168070), (289, 687100), (340, 584035), (425, 467228), (578, 343550), (850, 233614), (1156, 171775), (1445, 137420), (1700, 116807), (2890, 68710), (5780, 34355), (6871, 28900), (7225, 27484), (13742, 14450)]