396222320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{380983}}^1$

素因数の和:381009

約数の個数: 40

約数和(自身を含む): 992082336

約数和(自身を除く): 595860016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 380983, 761966, 1523932, 1904915, 3047864, 3809830, 4952779, 6095728, 7619660, 9905558, 15239320, 19811116, 24763895, 30478640, 39622232, 49527790, 79244464, 99055580, 198111160, 396222320]

約数ペア:

[(1, 396222320), (2, 198111160), (4, 99055580), (5, 79244464), (8, 49527790), (10, 39622232), (13, 30478640), (16, 24763895), (20, 19811116), (26, 15239320), (40, 9905558), (52, 7619660), (65, 6095728), (80, 4952779), (104, 3809830), (130, 3047864), (208, 1904915), (260, 1523932), (520, 761966), (1040, 380983)]