338786440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{119291}}^1$

素因数の和:119373

約数の個数: 32

約数和(自身を含む): 773012160

約数和(自身を除く): 434225720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 119291, 238582, 477164, 596455, 954328, 1192910, 2385820, 4771640, 8469661, 16939322, 33878644, 42348305, 67757288, 84696610, 169393220, 338786440]

約数ペア:

[(1, 338786440), (2, 169393220), (4, 84696610), (5, 67757288), (8, 42348305), (10, 33878644), (20, 16939322), (40, 8469661), (71, 4771640), (142, 2385820), (284, 1192910), (355, 954328), (568, 596455), (710, 477164), (1420, 238582), (2840, 119291)]