31203340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2083}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 75624192

約数和(自身を除く): 44420852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2083, 2140, 2996, 3745, 4166, 7490, 8332, 10415, 14581, 14980, 20830, 29162, 41660, 58324, 72905, 145810, 222881, 291620, 445762, 891524, 1114405, 1560167, 2228810, 3120334, 4457620, 6240668, 7800835, 15601670, 31203340]

約数ペア:

[(1, 31203340), (2, 15601670), (4, 7800835), (5, 6240668), (7, 4457620), (10, 3120334), (14, 2228810), (20, 1560167), (28, 1114405), (35, 891524), (70, 445762), (107, 291620), (140, 222881), (214, 145810), (428, 72905), (535, 58324), (749, 41660), (1070, 29162), (1498, 20830), (2083, 14980), (2140, 14581), (2996, 10415), (3745, 8332), (4166, 7490)]