28822900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6703}}^1$

素因数の和:6760

約数の個数: 36

約数和(自身を含む): 64009792

約数和(自身を除く): 35186892

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 6703, 13406, 26812, 33515, 67030, 134060, 167575, 288229, 335150, 576458, 670300, 1152916, 1441145, 2882290, 5764580, 7205725, 14411450, 28822900]

約数ペア:

[(1, 28822900), (2, 14411450), (4, 7205725), (5, 5764580), (10, 2882290), (20, 1441145), (25, 1152916), (43, 670300), (50, 576458), (86, 335150), (100, 288229), (172, 167575), (215, 134060), (430, 67030), (860, 33515), (1075, 26812), (2150, 13406), (4300, 6703)]