670997020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{1907}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 1435075488

約数和(自身を除く): 764078468

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 241, 292, 365, 482, 730, 964, 1205, 1460, 1907, 2410, 3814, 4820, 7628, 9535, 17593, 19070, 35186, 38140, 70372, 87965, 139211, 175930, 278422, 351860, 459587, 556844, 696055, 919174, 1392110, 1838348, 2297935, 2784220, 4595870, 9191740, 33549851, 67099702, 134199404, 167749255, 335498510, 670997020]

約数ペア:

[(1, 670997020), (2, 335498510), (4, 167749255), (5, 134199404), (10, 67099702), (20, 33549851), (73, 9191740), (146, 4595870), (241, 2784220), (292, 2297935), (365, 1838348), (482, 1392110), (730, 919174), (964, 696055), (1205, 556844), (1460, 459587), (1907, 351860), (2410, 278422), (3814, 175930), (4820, 139211), (7628, 87965), (9535, 70372), (17593, 38140), (19070, 35186)]