179740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 443520

約数和(自身を除く): 263780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 43, 44, 55, 76, 86, 95, 110, 172, 190, 209, 215, 220, 380, 418, 430, 473, 817, 836, 860, 946, 1045, 1634, 1892, 2090, 2365, 3268, 4085, 4180, 4730, 8170, 8987, 9460, 16340, 17974, 35948, 44935, 89870, 179740]

約数ペア:

[(1, 179740), (2, 89870), (4, 44935), (5, 35948), (10, 17974), (11, 16340), (19, 9460), (20, 8987), (22, 8170), (38, 4730), (43, 4180), (44, 4085), (55, 3268), (76, 2365), (86, 2090), (95, 1892), (110, 1634), (172, 1045), (190, 946), (209, 860), (215, 836), (220, 817), (380, 473), (418, 430)]