319313260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{28871}}^1$

素因数の和:28966

約数の個数: 48

約数和(自身を含む): 776079360

約数和(自身を除く): 456766100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 28871, 57742, 115484, 144355, 202097, 288710, 404194, 577420, 808388, 1010485, 2020970, 2280809, 4041940, 4561618, 9123236, 11404045, 15965663, 22808090, 31931326, 45616180, 63862652, 79828315, 159656630, 319313260]

約数ペア:

[(1, 319313260), (2, 159656630), (4, 79828315), (5, 63862652), (7, 45616180), (10, 31931326), (14, 22808090), (20, 15965663), (28, 11404045), (35, 9123236), (70, 4561618), (79, 4041940), (140, 2280809), (158, 2020970), (316, 1010485), (395, 808388), (553, 577420), (790, 404194), (1106, 288710), (1580, 202097), (2212, 144355), (2765, 115484), (5530, 57742), (11060, 28871)]