421930390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{36979}}^1$

素因数の和:37156

約数の個数: 32

約数和(自身を含む): 873319680

約数和(自身を除く): 451389290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 36979, 73958, 184895, 258853, 369790, 517706, 1294265, 2588530, 6027577, 12055154, 30137885, 42193039, 60275770, 84386078, 210965195, 421930390]

約数ペア:

[(1, 421930390), (2, 210965195), (5, 84386078), (7, 60275770), (10, 42193039), (14, 30137885), (35, 12055154), (70, 6027577), (163, 2588530), (326, 1294265), (815, 517706), (1141, 369790), (1630, 258853), (2282, 184895), (5705, 73958), (11410, 36979)]