1999822975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73999}}^1$

素因数の和:74079

約数の個数: 24

約数和(自身を含む): 2642688000

約数和(自身を除く): 642865025

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 1081, 1175, 5405, 27025, 73999, 369995, 1701977, 1849975, 3477953, 8509885, 17389765, 42549425, 79992919, 86948825, 399964595, 1999822975]

約数ペア:

[(1, 1999822975), (5, 399964595), (23, 86948825), (25, 79992919), (47, 42549425), (115, 17389765), (235, 8509885), (575, 3477953), (1081, 1849975), (1175, 1701977), (5405, 369995), (27025, 73999)]