421012000

素因数分解:

$2^5\times 5^3\times {\mathrm{105253}}^1$

素因数の和:105278

約数の個数: 48

約数和(自身を含む): 1034436312

約数和(自身を除く): 613424312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 105253, 210506, 421012, 526265, 842024, 1052530, 1684048, 2105060, 2631325, 3368096, 4210120, 5262650, 8420240, 10525300, 13156625, 16840480, 21050600, 26313250, 42101200, 52626500, 84202400, 105253000, 210506000, 421012000]

約数ペア:

[(1, 421012000), (2, 210506000), (4, 105253000), (5, 84202400), (8, 52626500), (10, 42101200), (16, 26313250), (20, 21050600), (25, 16840480), (32, 13156625), (40, 10525300), (50, 8420240), (80, 5262650), (100, 4210120), (125, 3368096), (160, 2631325), (200, 2105060), (250, 1684048), (400, 1052530), (500, 842024), (800, 526265), (1000, 421012), (2000, 210506), (4000, 105253)]