31071460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11681}}^1$

素因数の和:11716

約数の個数: 48

約数和(自身を含む): 78503040

約数和(自身を除く): 47431580

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, 11681, 23362, 46724, 58405, 81767, 116810, 163534, 221939, 233620, 327068, 408835, 443878, 817670, 887756, 1109695, 1553573, 1635340, 2219390, 3107146, 4438780, 6214292, 7767865, 15535730, 31071460]

約数ペア:

[(1, 31071460), (2, 15535730), (4, 7767865), (5, 6214292), (7, 4438780), (10, 3107146), (14, 2219390), (19, 1635340), (20, 1553573), (28, 1109695), (35, 887756), (38, 817670), (70, 443878), (76, 408835), (95, 327068), (133, 233620), (140, 221939), (190, 163534), (266, 116810), (380, 81767), (532, 58405), (665, 46724), (1330, 23362), (2660, 11681)]