31657420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 70479360

約数和(自身を除く): 38821940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 367, 380, 454, 734, 908, 1135, 1468, 1835, 2270, 3670, 4313, 4540, 6973, 7340, 8626, 13946, 17252, 21565, 27892, 34865, 43130, 69730, 83309, 86260, 139460, 166618, 333236, 416545, 833090, 1582871, 1666180, 3165742, 6331484, 7914355, 15828710, 31657420]

約数ペア:

[(1, 31657420), (2, 15828710), (4, 7914355), (5, 6331484), (10, 3165742), (19, 1666180), (20, 1582871), (38, 833090), (76, 416545), (95, 333236), (190, 166618), (227, 139460), (367, 86260), (380, 83309), (454, 69730), (734, 43130), (908, 34865), (1135, 27892), (1468, 21565), (1835, 17252), (2270, 13946), (3670, 8626), (4313, 7340), (4540, 6973)]