331406960

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17333}}^1$

素因数の和:17585

約数の個数: 40

約数和(自身を含む): 773789760

約数和(自身を除く): 442382800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 17333, 19120, 34666, 69332, 86665, 138664, 173330, 277328, 346660, 693320, 1386640, 4142587, 8285174, 16570348, 20712935, 33140696, 41425870, 66281392, 82851740, 165703480, 331406960]

約数ペア:

[(1, 331406960), (2, 165703480), (4, 82851740), (5, 66281392), (8, 41425870), (10, 33140696), (16, 20712935), (20, 16570348), (40, 8285174), (80, 4142587), (239, 1386640), (478, 693320), (956, 346660), (1195, 277328), (1912, 173330), (2390, 138664), (3824, 86665), (4780, 69332), (9560, 34666), (17333, 19120)]