381402320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{366733}}^1$

素因数の和:366759

約数の個数: 40

約数和(自身を含む): 954975336

約数和(自身を除く): 573573016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 366733, 733466, 1466932, 1833665, 2933864, 3667330, 4767529, 5867728, 7334660, 9535058, 14669320, 19070116, 23837645, 29338640, 38140232, 47675290, 76280464, 95350580, 190701160, 381402320]

約数ペア:

[(1, 381402320), (2, 190701160), (4, 95350580), (5, 76280464), (8, 47675290), (10, 38140232), (13, 29338640), (16, 23837645), (20, 19070116), (26, 14669320), (40, 9535058), (52, 7334660), (65, 5867728), (80, 4767529), (104, 3667330), (130, 2933864), (208, 1833665), (260, 1466932), (520, 733466), (1040, 366733)]