164605420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3709}}^1$

素因数の和:4042

約数の個数: 48

約数和(自身を含む): 396406080

約数和(自身を除く): 231800660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 3709, 4438, 6340, 7418, 8876, 11095, 14836, 18545, 22190, 25963, 37090, 44380, 51926, 74180, 103852, 129815, 259630, 519260, 1175753, 2351506, 4703012, 5878765, 8230271, 11757530, 16460542, 23515060, 32921084, 41151355, 82302710, 164605420]

約数ペア:

[(1, 164605420), (2, 82302710), (4, 41151355), (5, 32921084), (7, 23515060), (10, 16460542), (14, 11757530), (20, 8230271), (28, 5878765), (35, 4703012), (70, 2351506), (140, 1175753), (317, 519260), (634, 259630), (1268, 129815), (1585, 103852), (2219, 74180), (3170, 51926), (3709, 44380), (4438, 37090), (6340, 25963), (7418, 22190), (8876, 18545), (11095, 14836)]