214970680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{34231}}^1$

素因数の和:34399

約数の個数: 32

約数和(自身を含む): 486779040

約数和(自身を除く): 271808360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 34231, 68462, 136924, 171155, 273848, 342310, 684620, 1369240, 5374267, 10748534, 21497068, 26871335, 42994136, 53742670, 107485340, 214970680]

約数ペア:

[(1, 214970680), (2, 107485340), (4, 53742670), (5, 42994136), (8, 26871335), (10, 21497068), (20, 10748534), (40, 5374267), (157, 1369240), (314, 684620), (628, 342310), (785, 273848), (1256, 171155), (1570, 136924), (3140, 68462), (6280, 34231)]