1337420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 3302208

約数和(自身を除く): 1964788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 233, 287, 410, 466, 574, 820, 932, 1148, 1165, 1435, 1631, 2330, 2870, 3262, 4660, 5740, 6524, 8155, 9553, 16310, 19106, 32620, 38212, 47765, 66871, 95530, 133742, 191060, 267484, 334355, 668710, 1337420]

約数ペア:

[(1, 1337420), (2, 668710), (4, 334355), (5, 267484), (7, 191060), (10, 133742), (14, 95530), (20, 66871), (28, 47765), (35, 38212), (41, 32620), (70, 19106), (82, 16310), (140, 9553), (164, 8155), (205, 6524), (233, 5740), (287, 4660), (410, 3262), (466, 2870), (574, 2330), (820, 1631), (932, 1435), (1148, 1165)]