865852820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{3863}}^1$

素因数の和:5480

約数の個数: 48

約数和(自身を含む): 2079883008

約数和(自身を除く): 1214030188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1601, 3202, 3863, 6404, 7726, 8005, 11207, 15452, 16010, 19315, 22414, 27041, 32020, 38630, 44828, 54082, 56035, 77260, 108164, 112070, 135205, 224140, 270410, 540820, 6184663, 12369326, 24738652, 30923315, 43292641, 61846630, 86585282, 123693260, 173170564, 216463205, 432926410, 865852820]

約数ペア:

[(1, 865852820), (2, 432926410), (4, 216463205), (5, 173170564), (7, 123693260), (10, 86585282), (14, 61846630), (20, 43292641), (28, 30923315), (35, 24738652), (70, 12369326), (140, 6184663), (1601, 540820), (3202, 270410), (3863, 224140), (6404, 135205), (7726, 112070), (8005, 108164), (11207, 77260), (15452, 56035), (16010, 54082), (19315, 44828), (22414, 38630), (27041, 32020)]