398997080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{343963}}^1$

素因数の和:344003

約数の個数: 32

約数和(自身を含む): 928702800

約数和(自身を除く): 529705720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 343963, 687926, 1375852, 1719815, 2751704, 3439630, 6879260, 9974927, 13758520, 19949854, 39899708, 49874635, 79799416, 99749270, 199498540, 398997080]

約数ペア:

[(1, 398997080), (2, 199498540), (4, 99749270), (5, 79799416), (8, 49874635), (10, 39899708), (20, 19949854), (29, 13758520), (40, 9974927), (58, 6879260), (116, 3439630), (145, 2751704), (232, 1719815), (290, 1375852), (580, 687926), (1160, 343963)]