628931480

素因数分解:

$2^3\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{11003}}^1$

素因数の和:12443

約数の個数: 32

約数和(自身を含む): 1416214800

約数和(自身を除く): 787283320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1429, 2858, 5716, 7145, 11003, 11432, 14290, 22006, 28580, 44012, 55015, 57160, 88024, 110030, 220060, 440120, 15723287, 31446574, 62893148, 78616435, 125786296, 157232870, 314465740, 628931480]

約数ペア:

[(1, 628931480), (2, 314465740), (4, 157232870), (5, 125786296), (8, 78616435), (10, 62893148), (20, 31446574), (40, 15723287), (1429, 440120), (2858, 220060), (5716, 110030), (7145, 88024), (11003, 57160), (11432, 55015), (14290, 44012), (22006, 28580)]