202937290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 399168000

約数和(自身を除く): 196230710

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 109, 190, 205, 218, 239, 410, 478, 545, 779, 1090, 1195, 1558, 2071, 2390, 3895, 4142, 4469, 4541, 7790, 8938, 9082, 9799, 10355, 19598, 20710, 22345, 22705, 26051, 44690, 45410, 48995, 52102, 84911, 97990, 130255, 169822, 186181, 260510, 372362, 424555, 494969, 849110, 930905, 989938, 1068091, 1861810, 2136182, 2474845, 4949690, 5340455, 10680910, 20293729, 40587458, 101468645, 202937290]

約数ペア:

[(1, 202937290), (2, 101468645), (5, 40587458), (10, 20293729), (19, 10680910), (38, 5340455), (41, 4949690), (82, 2474845), (95, 2136182), (109, 1861810), (190, 1068091), (205, 989938), (218, 930905), (239, 849110), (410, 494969), (478, 424555), (545, 372362), (779, 260510), (1090, 186181), (1195, 169822), (1558, 130255), (2071, 97990), (2390, 84911), (3895, 52102), (4142, 48995), (4469, 45410), (4541, 44690), (7790, 26051), (8938, 22705), (9082, 22345), (9799, 20710), (10355, 19598)]