28898500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 65323440

約数和(自身を除く): 36424940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1993, 2900, 3625, 3986, 7250, 7972, 9965, 14500, 19930, 39860, 49825, 57797, 99650, 115594, 199300, 231188, 249125, 288985, 498250, 577970, 996500, 1155940, 1444925, 2889850, 5779700, 7224625, 14449250, 28898500]

約数ペア:

[(1, 28898500), (2, 14449250), (4, 7224625), (5, 5779700), (10, 2889850), (20, 1444925), (25, 1155940), (29, 996500), (50, 577970), (58, 498250), (100, 288985), (116, 249125), (125, 231188), (145, 199300), (250, 115594), (290, 99650), (500, 57797), (580, 49825), (725, 39860), (1450, 19930), (1993, 14500), (2900, 9965), (3625, 7972), (3986, 7250)]