268560740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{17599}}^1$

素因数の和:17724

約数の個数: 48

約数和(自身を含む): 650496000

約数和(自身を除く): 381935260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 17599, 35198, 70396, 87995, 123193, 175990, 246386, 351980, 492772, 615965, 1231930, 1918291, 2463860, 3836582, 7673164, 9591455, 13428037, 19182910, 26856074, 38365820, 53712148, 67140185, 134280370, 268560740]

約数ペア:

[(1, 268560740), (2, 134280370), (4, 67140185), (5, 53712148), (7, 38365820), (10, 26856074), (14, 19182910), (20, 13428037), (28, 9591455), (35, 7673164), (70, 3836582), (109, 2463860), (140, 1918291), (218, 1231930), (436, 615965), (545, 492772), (763, 351980), (1090, 246386), (1526, 175990), (2180, 123193), (3052, 87995), (3815, 70396), (7630, 35198), (15260, 17599)]