267788660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1723}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 593745600

約数和(自身を除く): 325956940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 409, 818, 1636, 1723, 2045, 3446, 4090, 6892, 7771, 8180, 8615, 15542, 17230, 31084, 32737, 34460, 38855, 65474, 77710, 130948, 155420, 163685, 327370, 654740, 704707, 1409414, 2818828, 3523535, 7047070, 13389433, 14094140, 26778866, 53557732, 66947165, 133894330, 267788660]

約数ペア:

[(1, 267788660), (2, 133894330), (4, 66947165), (5, 53557732), (10, 26778866), (19, 14094140), (20, 13389433), (38, 7047070), (76, 3523535), (95, 2818828), (190, 1409414), (380, 704707), (409, 654740), (818, 327370), (1636, 163685), (1723, 155420), (2045, 130948), (3446, 77710), (4090, 65474), (6892, 38855), (7771, 34460), (8180, 32737), (8615, 31084), (15542, 17230)]