31624180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 76608000

約数和(自身を除く): 44983820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1999, 2260, 3164, 3955, 3998, 7910, 7996, 9995, 13993, 15820, 19990, 27986, 39980, 55972, 69965, 139930, 225887, 279860, 451774, 903548, 1129435, 1581209, 2258870, 3162418, 4517740, 6324836, 7906045, 15812090, 31624180]

約数ペア:

[(1, 31624180), (2, 15812090), (4, 7906045), (5, 6324836), (7, 4517740), (10, 3162418), (14, 2258870), (20, 1581209), (28, 1129435), (35, 903548), (70, 451774), (113, 279860), (140, 225887), (226, 139930), (452, 69965), (565, 55972), (791, 39980), (1130, 27986), (1582, 19990), (1999, 15820), (2260, 13993), (3164, 9995), (3955, 7996), (3998, 7910)]