70046680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 172795680

約数和(自身を除く): 102749000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 401, 440, 794, 802, 1588, 1604, 1985, 2005, 3176, 3208, 3970, 4010, 4367, 4411, 7940, 8020, 8734, 8822, 15880, 16040, 17468, 17644, 21835, 22055, 34936, 35288, 43670, 44110, 87340, 88220, 159197, 174680, 176440, 318394, 636788, 795985, 1273576, 1591970, 1751167, 3183940, 3502334, 6367880, 7004668, 8755835, 14009336, 17511670, 35023340, 70046680]

約数ペア:

[(1, 70046680), (2, 35023340), (4, 17511670), (5, 14009336), (8, 8755835), (10, 7004668), (11, 6367880), (20, 3502334), (22, 3183940), (40, 1751167), (44, 1591970), (55, 1273576), (88, 795985), (110, 636788), (220, 318394), (397, 176440), (401, 174680), (440, 159197), (794, 88220), (802, 87340), (1588, 44110), (1604, 43670), (1985, 35288), (2005, 34936), (3176, 22055), (3208, 21835), (3970, 17644), (4010, 17468), (4367, 16040), (4411, 15880), (7940, 8822), (8020, 8734)]