28994180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 65726640

約数和(自身を除く): 36732460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1609, 1802, 3218, 3604, 4505, 6436, 8045, 9010, 16090, 18020, 27353, 32180, 54706, 85277, 109412, 136765, 170554, 273530, 341108, 426385, 547060, 852770, 1449709, 1705540, 2899418, 5798836, 7248545, 14497090, 28994180]

約数ペア:

[(1, 28994180), (2, 14497090), (4, 7248545), (5, 5798836), (10, 2899418), (17, 1705540), (20, 1449709), (34, 852770), (53, 547060), (68, 426385), (85, 341108), (106, 273530), (170, 170554), (212, 136765), (265, 109412), (340, 85277), (530, 54706), (901, 32180), (1060, 27353), (1609, 18020), (1802, 16090), (3218, 9010), (3604, 8045), (4505, 6436)]