282128980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{4549}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 678787200

約数和(自身を除く): 396658220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1772, 2215, 3101, 4430, 4549, 6202, 8860, 9098, 12404, 15505, 18196, 22745, 31010, 31843, 45490, 62020, 63686, 90980, 127372, 159215, 318430, 636860, 2015207, 4030414, 8060828, 10076035, 14106449, 20152070, 28212898, 40304140, 56425796, 70532245, 141064490, 282128980]

約数ペア:

[(1, 282128980), (2, 141064490), (4, 70532245), (5, 56425796), (7, 40304140), (10, 28212898), (14, 20152070), (20, 14106449), (28, 10076035), (35, 8060828), (70, 4030414), (140, 2015207), (443, 636860), (886, 318430), (1772, 159215), (2215, 127372), (3101, 90980), (4430, 63686), (4549, 62020), (6202, 45490), (8860, 31843), (9098, 31010), (12404, 22745), (15505, 18196)]