428907910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1053

約数の個数: 48

約数和(自身を含む): 817024320

約数和(自身を除く): 388116410

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 529, 890, 911, 1058, 1822, 2047, 2645, 4094, 4555, 5290, 9110, 10235, 20470, 20953, 41906, 47081, 81079, 94162, 104765, 162158, 209530, 235405, 405395, 470810, 481919, 810790, 963838, 1864817, 2409595, 3729634, 4819190, 9324085, 18648170, 42890791, 85781582, 214453955, 428907910]

約数ペア:

[(1, 428907910), (2, 214453955), (5, 85781582), (10, 42890791), (23, 18648170), (46, 9324085), (89, 4819190), (115, 3729634), (178, 2409595), (230, 1864817), (445, 963838), (529, 810790), (890, 481919), (911, 470810), (1058, 405395), (1822, 235405), (2047, 209530), (2645, 162158), (4094, 104765), (4555, 94162), (5290, 81079), (9110, 47081), (10235, 41906), (20470, 20953)]