201631000

素因数分解:

$2^3\times 5^3\times {\mathrm{163}}^1\times {\mathrm{1237}}^1$

素因数の和:1421

約数の個数: 64

約数和(自身を含む): 475094880

約数和(自身を除く): 273463880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 163, 200, 250, 326, 500, 652, 815, 1000, 1237, 1304, 1630, 2474, 3260, 4075, 4948, 6185, 6520, 8150, 9896, 12370, 16300, 20375, 24740, 30925, 32600, 40750, 49480, 61850, 81500, 123700, 154625, 163000, 201631, 247400, 309250, 403262, 618500, 806524, 1008155, 1237000, 1613048, 2016310, 4032620, 5040775, 8065240, 10081550, 20163100, 25203875, 40326200, 50407750, 100815500, 201631000]

約数ペア:

[(1, 201631000), (2, 100815500), (4, 50407750), (5, 40326200), (8, 25203875), (10, 20163100), (20, 10081550), (25, 8065240), (40, 5040775), (50, 4032620), (100, 2016310), (125, 1613048), (163, 1237000), (200, 1008155), (250, 806524), (326, 618500), (500, 403262), (652, 309250), (815, 247400), (1000, 201631), (1237, 163000), (1304, 154625), (1630, 123700), (2474, 81500), (3260, 61850), (4075, 49480), (4948, 40750), (6185, 32600), (6520, 30925), (8150, 24740), (9896, 20375), (12370, 16300)]