164754140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1151}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 367524864

約数和(自身を除く): 202770724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 842, 1151, 1684, 2105, 2302, 4210, 4604, 5755, 7157, 8420, 11510, 14314, 19567, 23020, 28628, 35785, 39134, 71570, 78268, 97835, 143140, 195670, 391340, 484571, 969142, 1938284, 2422855, 4845710, 8237707, 9691420, 16475414, 32950828, 41188535, 82377070, 164754140]

約数ペア:

[(1, 164754140), (2, 82377070), (4, 41188535), (5, 32950828), (10, 16475414), (17, 9691420), (20, 8237707), (34, 4845710), (68, 2422855), (85, 1938284), (170, 969142), (340, 484571), (421, 391340), (842, 195670), (1151, 143140), (1684, 97835), (2105, 78268), (2302, 71570), (4210, 39134), (4604, 35785), (5755, 28628), (7157, 23020), (8420, 19567), (11510, 14314)]