390987070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{4201}}^1$

素因数の和:4476

約数の個数: 32

約数和(自身を含む): 724290336

約数和(自身を除く): 333303266

約数列:

[1, 2, 5, 10, 41, 82, 205, 227, 410, 454, 1135, 2270, 4201, 8402, 9307, 18614, 21005, 42010, 46535, 93070, 172241, 344482, 861205, 953627, 1722410, 1907254, 4768135, 9536270, 39098707, 78197414, 195493535, 390987070]

約数ペア:

[(1, 390987070), (2, 195493535), (5, 78197414), (10, 39098707), (41, 9536270), (82, 4768135), (205, 1907254), (227, 1722410), (410, 953627), (454, 861205), (1135, 344482), (2270, 172241), (4201, 93070), (8402, 46535), (9307, 42010), (18614, 21005)]