211300820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{621473}}^1$

素因数の和:621499

約数の個数: 24

約数和(自身を含む): 469834344

約数和(自身を除く): 258533524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 621473, 1242946, 2485892, 3107365, 6214730, 10565041, 12429460, 21130082, 42260164, 52825205, 105650410, 211300820]

約数ペア:

[(1, 211300820), (2, 105650410), (4, 52825205), (5, 42260164), (10, 21130082), (17, 12429460), (20, 10565041), (34, 6214730), (68, 3107365), (85, 2485892), (170, 1242946), (340, 621473)]