31491740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11839}}^1$

素因数の和:11874

約数の個数: 48

約数和(自身を含む): 79564800

約数和(自身を除く): 48073060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11839, 23678, 47356, 59195, 82873, 118390, 165746, 224941, 236780, 331492, 414365, 449882, 828730, 899764, 1124705, 1574587, 1657460, 2249410, 3149174, 4498820, 6298348, 7872935, 15745870, 31491740]

約数ペア:

[(1, 31491740), (2, 15745870), (4, 7872935), (5, 6298348), (7, 4498820), (10, 3149174), (14, 2249410), (19, 1657460), (20, 1574587), (28, 1124705), (35, 899764), (38, 828730), (70, 449882), (76, 414365), (95, 331492), (133, 236780), (140, 224941), (190, 165746), (266, 118390), (380, 82873), (532, 59195), (665, 47356), (1330, 23678), (2660, 11839)]