40431370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 85547880

約数和(自身を除く): 45116510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 490, 545, 757, 763, 1090, 1514, 1526, 3785, 3815, 5299, 5341, 7570, 7630, 10598, 10682, 26495, 26705, 37093, 52990, 53410, 74186, 82513, 165026, 185465, 370930, 412565, 577591, 825130, 1155182, 2887955, 4043137, 5775910, 8086274, 20215685, 40431370]

約数ペア:

[(1, 40431370), (2, 20215685), (5, 8086274), (7, 5775910), (10, 4043137), (14, 2887955), (35, 1155182), (49, 825130), (70, 577591), (98, 412565), (109, 370930), (218, 185465), (245, 165026), (490, 82513), (545, 74186), (757, 53410), (763, 52990), (1090, 37093), (1514, 26705), (1526, 26495), (3785, 10682), (3815, 10598), (5299, 7630), (5341, 7570)]