1242700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 54

約数和(自身を含む): 2931236

約数和(自身を除く): 1688536

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 170, 172, 215, 289, 340, 425, 430, 578, 731, 850, 860, 1075, 1156, 1445, 1462, 1700, 2150, 2890, 2924, 3655, 4300, 5780, 7225, 7310, 12427, 14450, 14620, 18275, 24854, 28900, 36550, 49708, 62135, 73100, 124270, 248540, 310675, 621350, 1242700]

約数ペア:

[(1, 1242700), (2, 621350), (4, 310675), (5, 248540), (10, 124270), (17, 73100), (20, 62135), (25, 49708), (34, 36550), (43, 28900), (50, 24854), (68, 18275), (85, 14620), (86, 14450), (100, 12427), (170, 7310), (172, 7225), (215, 5780), (289, 4300), (340, 3655), (425, 2924), (430, 2890), (578, 2150), (731, 1700), (850, 1462), (860, 1445), (1075, 1156)]