1301472820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1\times {\mathrm{1171}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 2783321856

約数和(自身を除く): 1481849036

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 911, 1171, 1220, 1822, 2342, 3644, 4555, 4684, 5855, 9110, 11710, 18220, 23420, 55571, 71431, 111142, 142862, 222284, 277855, 285724, 357155, 555710, 714310, 1066781, 1111420, 1428620, 2133562, 4267124, 5333905, 10667810, 21335620, 65073641, 130147282, 260294564, 325368205, 650736410, 1301472820]

約数ペア:

[(1, 1301472820), (2, 650736410), (4, 325368205), (5, 260294564), (10, 130147282), (20, 65073641), (61, 21335620), (122, 10667810), (244, 5333905), (305, 4267124), (610, 2133562), (911, 1428620), (1171, 1111420), (1220, 1066781), (1822, 714310), (2342, 555710), (3644, 357155), (4555, 285724), (4684, 277855), (5855, 222284), (9110, 142862), (11710, 111142), (18220, 71431), (23420, 55571)]