31358180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5209}}^1$

素因数の和:5268

約数の個数: 48

約数和(自身を含む): 77024640

約数和(自身を除く): 45666460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5209, 6020, 10418, 20836, 26045, 36463, 52090, 72926, 104180, 145852, 182315, 223987, 364630, 447974, 729260, 895948, 1119935, 1567909, 2239870, 3135818, 4479740, 6271636, 7839545, 15679090, 31358180]

約数ペア:

[(1, 31358180), (2, 15679090), (4, 7839545), (5, 6271636), (7, 4479740), (10, 3135818), (14, 2239870), (20, 1567909), (28, 1119935), (35, 895948), (43, 729260), (70, 447974), (86, 364630), (140, 223987), (172, 182315), (215, 145852), (301, 104180), (430, 72926), (602, 52090), (860, 36463), (1204, 26045), (1505, 20836), (3010, 10418), (5209, 6020)]