7762820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 17839920

約数和(自身を除く): 10077100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 409, 730, 818, 949, 1460, 1636, 1898, 2045, 3796, 4090, 4745, 5317, 8180, 9490, 10634, 18980, 21268, 26585, 29857, 53170, 59714, 106340, 119428, 149285, 298570, 388141, 597140, 776282, 1552564, 1940705, 3881410, 7762820]

約数ペア:

[(1, 7762820), (2, 3881410), (4, 1940705), (5, 1552564), (10, 776282), (13, 597140), (20, 388141), (26, 298570), (52, 149285), (65, 119428), (73, 106340), (130, 59714), (146, 53170), (260, 29857), (292, 26585), (365, 21268), (409, 18980), (730, 10634), (818, 9490), (949, 8180), (1460, 5317), (1636, 4745), (1898, 4090), (2045, 3796)]