31031210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 35496790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 109, 166, 218, 245, 343, 415, 490, 545, 581, 686, 763, 830, 1090, 1162, 1526, 1715, 2905, 3430, 3815, 4067, 5341, 5810, 7630, 8134, 9047, 10682, 18094, 20335, 26705, 28469, 37387, 40670, 45235, 53410, 56938, 63329, 74774, 90470, 126658, 142345, 186935, 284690, 316645, 373870, 443303, 633290, 886606, 2216515, 3103121, 4433030, 6206242, 15515605, 31031210]

約数ペア:

[(1, 31031210), (2, 15515605), (5, 6206242), (7, 4433030), (10, 3103121), (14, 2216515), (35, 886606), (49, 633290), (70, 443303), (83, 373870), (98, 316645), (109, 284690), (166, 186935), (218, 142345), (245, 126658), (343, 90470), (415, 74774), (490, 63329), (545, 56938), (581, 53410), (686, 45235), (763, 40670), (830, 37387), (1090, 28469), (1162, 26705), (1526, 20335), (1715, 18094), (2905, 10682), (3430, 9047), (3815, 8134), (4067, 7630), (5341, 5810)]