8363740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5431}}^1$

素因数の和:5458

約数の個数: 48

約数和(自身を含む): 21901824

約数和(自身を除く): 13538084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5431, 10862, 21724, 27155, 38017, 54310, 59741, 76034, 108620, 119482, 152068, 190085, 238964, 298705, 380170, 418187, 597410, 760340, 836374, 1194820, 1672748, 2090935, 4181870, 8363740]

約数ペア:

[(1, 8363740), (2, 4181870), (4, 2090935), (5, 1672748), (7, 1194820), (10, 836374), (11, 760340), (14, 597410), (20, 418187), (22, 380170), (28, 298705), (35, 238964), (44, 190085), (55, 152068), (70, 119482), (77, 108620), (110, 76034), (140, 59741), (154, 54310), (220, 38017), (308, 27155), (385, 21724), (770, 10862), (1540, 5431)]