199731640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293723}}^1$

素因数の和:293751

約数の個数: 32

約数和(自身を含む): 475832880

約数和(自身を除く): 276101240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 293723, 587446, 1174892, 1468615, 2349784, 2937230, 4993291, 5874460, 9986582, 11748920, 19973164, 24966455, 39946328, 49932910, 99865820, 199731640]

約数ペア:

[(1, 199731640), (2, 99865820), (4, 49932910), (5, 39946328), (8, 24966455), (10, 19973164), (17, 11748920), (20, 9986582), (34, 5874460), (40, 4993291), (68, 2937230), (85, 2349784), (136, 1468615), (170, 1174892), (340, 587446), (680, 293723)]