31744780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 71608320

約数和(自身を除く): 39863540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1279, 1460, 2482, 2558, 4964, 5116, 6205, 6395, 12410, 12790, 21743, 24820, 25580, 43486, 86972, 93367, 108715, 186734, 217430, 373468, 434860, 466835, 933670, 1587239, 1867340, 3174478, 6348956, 7936195, 15872390, 31744780]

約数ペア:

[(1, 31744780), (2, 15872390), (4, 7936195), (5, 6348956), (10, 3174478), (17, 1867340), (20, 1587239), (34, 933670), (68, 466835), (73, 434860), (85, 373468), (146, 217430), (170, 186734), (292, 108715), (340, 93367), (365, 86972), (730, 43486), (1241, 25580), (1279, 24820), (1460, 21743), (2482, 12790), (2558, 12410), (4964, 6395), (5116, 6205)]