890357320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1309349}}^1$

素因数の和:1309377

約数の個数: 32

約数和(自身を含む): 2121147000

約数和(自身を除く): 1230789680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1309349, 2618698, 5237396, 6546745, 10474792, 13093490, 22258933, 26186980, 44517866, 52373960, 89035732, 111294665, 178071464, 222589330, 445178660, 890357320]

約数ペア:

[(1, 890357320), (2, 445178660), (4, 222589330), (5, 178071464), (8, 111294665), (10, 89035732), (17, 52373960), (20, 44517866), (34, 26186980), (40, 22258933), (68, 13093490), (85, 10474792), (136, 6546745), (170, 5237396), (340, 2618698), (680, 1309349)]