2051900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 54

約数和(自身を含む): 4796568

約数和(自身を除く): 2744668

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 71, 85, 100, 142, 170, 284, 289, 340, 355, 425, 578, 710, 850, 1156, 1207, 1420, 1445, 1700, 1775, 2414, 2890, 3550, 4828, 5780, 6035, 7100, 7225, 12070, 14450, 20519, 24140, 28900, 30175, 41038, 60350, 82076, 102595, 120700, 205190, 410380, 512975, 1025950, 2051900]

約数ペア:

[(1, 2051900), (2, 1025950), (4, 512975), (5, 410380), (10, 205190), (17, 120700), (20, 102595), (25, 82076), (34, 60350), (50, 41038), (68, 30175), (71, 28900), (85, 24140), (100, 20519), (142, 14450), (170, 12070), (284, 7225), (289, 7100), (340, 6035), (355, 5780), (425, 4828), (578, 3550), (710, 2890), (850, 2414), (1156, 1775), (1207, 1700), (1420, 1445)]