31010440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 74856960

約数和(自身を除く): 43846520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 911, 920, 1480, 1702, 1822, 3404, 3644, 4255, 4555, 6808, 7288, 8510, 9110, 17020, 18220, 20953, 33707, 34040, 36440, 41906, 67414, 83812, 104765, 134828, 167624, 168535, 209530, 269656, 337070, 419060, 674140, 775261, 838120, 1348280, 1550522, 3101044, 3876305, 6202088, 7752610, 15505220, 31010440]

約数ペア:

[(1, 31010440), (2, 15505220), (4, 7752610), (5, 6202088), (8, 3876305), (10, 3101044), (20, 1550522), (23, 1348280), (37, 838120), (40, 775261), (46, 674140), (74, 419060), (92, 337070), (115, 269656), (148, 209530), (184, 168535), (185, 167624), (230, 134828), (296, 104765), (370, 83812), (460, 67414), (740, 41906), (851, 36440), (911, 34040), (920, 33707), (1480, 20953), (1702, 18220), (1822, 17020), (3404, 9110), (3644, 8510), (4255, 7288), (4555, 6808)]