31214120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 82252800

約数和(自身を除く): 51038680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2719, 2870, 5438, 5740, 10876, 11480, 13595, 19033, 21752, 27190, 38066, 54380, 76132, 95165, 108760, 111479, 152264, 190330, 222958, 380660, 445916, 557395, 761320, 780353, 891832, 1114790, 1560706, 2229580, 3121412, 3901765, 4459160, 6242824, 7803530, 15607060, 31214120]

約数ペア:

[(1, 31214120), (2, 15607060), (4, 7803530), (5, 6242824), (7, 4459160), (8, 3901765), (10, 3121412), (14, 2229580), (20, 1560706), (28, 1114790), (35, 891832), (40, 780353), (41, 761320), (56, 557395), (70, 445916), (82, 380660), (140, 222958), (164, 190330), (205, 152264), (280, 111479), (287, 108760), (328, 95165), (410, 76132), (574, 54380), (820, 38066), (1148, 27190), (1435, 21752), (1640, 19033), (2296, 13595), (2719, 11480), (2870, 10876), (5438, 5740)]