206208940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20177}}^1$

素因数の和:20266

約数の個数: 48

約数和(自身を含む): 501705792

約数和(自身を除く): 295496852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 20177, 40354, 80708, 100885, 141239, 201770, 282478, 403540, 564956, 706195, 1412390, 1472921, 2824780, 2945842, 5891684, 7364605, 10310447, 14729210, 20620894, 29458420, 41241788, 51552235, 103104470, 206208940]

約数ペア:

[(1, 206208940), (2, 103104470), (4, 51552235), (5, 41241788), (7, 29458420), (10, 20620894), (14, 14729210), (20, 10310447), (28, 7364605), (35, 5891684), (70, 2945842), (73, 2824780), (140, 1472921), (146, 1412390), (292, 706195), (365, 564956), (511, 403540), (730, 282478), (1022, 201770), (1460, 141239), (2044, 100885), (2555, 80708), (5110, 40354), (10220, 20177)]