28865660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1163}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 65118816

約数和(自身を除く): 36253156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1163, 1241, 1460, 2326, 2482, 4652, 4964, 5815, 6205, 11630, 12410, 19771, 23260, 24820, 39542, 79084, 84899, 98855, 169798, 197710, 339596, 395420, 424495, 848990, 1443283, 1697980, 2886566, 5773132, 7216415, 14432830, 28865660]

約数ペア:

[(1, 28865660), (2, 14432830), (4, 7216415), (5, 5773132), (10, 2886566), (17, 1697980), (20, 1443283), (34, 848990), (68, 424495), (73, 395420), (85, 339596), (146, 197710), (170, 169798), (292, 98855), (340, 84899), (365, 79084), (730, 39542), (1163, 24820), (1241, 23260), (1460, 19771), (2326, 12410), (2482, 11630), (4652, 6205), (4964, 5815)]