149250520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{52553}}^1$

素因数の和:52635

約数の個数: 32

約数和(自身を含む): 340549920

約数和(自身を除く): 191299400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 52553, 105106, 210212, 262765, 420424, 525530, 1051060, 2102120, 3731263, 7462526, 14925052, 18656315, 29850104, 37312630, 74625260, 149250520]

約数ペア:

[(1, 149250520), (2, 74625260), (4, 37312630), (5, 29850104), (8, 18656315), (10, 14925052), (20, 7462526), (40, 3731263), (71, 2102120), (142, 1051060), (284, 525530), (355, 420424), (568, 262765), (710, 210212), (1420, 105106), (2840, 52553)]