28466500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 72

約数和(自身を含む): 66378312

約数和(自身を除く): 37911812

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 197, 250, 289, 340, 394, 425, 500, 578, 788, 850, 985, 1156, 1445, 1700, 1970, 2125, 2890, 3349, 3940, 4250, 4925, 5780, 6698, 7225, 8500, 9850, 13396, 14450, 16745, 19700, 24625, 28900, 33490, 36125, 49250, 56933, 66980, 72250, 83725, 98500, 113866, 144500, 167450, 227732, 284665, 334900, 418625, 569330, 837250, 1138660, 1423325, 1674500, 2846650, 5693300, 7116625, 14233250, 28466500]

約数ペア:

[(1, 28466500), (2, 14233250), (4, 7116625), (5, 5693300), (10, 2846650), (17, 1674500), (20, 1423325), (25, 1138660), (34, 837250), (50, 569330), (68, 418625), (85, 334900), (100, 284665), (125, 227732), (170, 167450), (197, 144500), (250, 113866), (289, 98500), (340, 83725), (394, 72250), (425, 66980), (500, 56933), (578, 49250), (788, 36125), (850, 33490), (985, 28900), (1156, 24625), (1445, 19700), (1700, 16745), (1970, 14450), (2125, 13396), (2890, 9850), (3349, 8500), (3940, 7225), (4250, 6698), (4925, 5780)]