1871240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 4959360

約数和(自身を除く): 3088120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 163, 164, 205, 280, 287, 326, 328, 410, 574, 652, 815, 820, 1141, 1148, 1304, 1435, 1630, 1640, 2282, 2296, 2870, 3260, 4564, 5705, 5740, 6520, 6683, 9128, 11410, 11480, 13366, 22820, 26732, 33415, 45640, 46781, 53464, 66830, 93562, 133660, 187124, 233905, 267320, 374248, 467810, 935620, 1871240]

約数ペア:

[(1, 1871240), (2, 935620), (4, 467810), (5, 374248), (7, 267320), (8, 233905), (10, 187124), (14, 133660), (20, 93562), (28, 66830), (35, 53464), (40, 46781), (41, 45640), (56, 33415), (70, 26732), (82, 22820), (140, 13366), (163, 11480), (164, 11410), (205, 9128), (280, 6683), (287, 6520), (326, 5740), (328, 5705), (410, 4564), (574, 3260), (652, 2870), (815, 2296), (820, 2282), (1141, 1640), (1148, 1630), (1304, 1435)]