211375000

素因数分解:

$2^3\times 5^6\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 527337000

約数和(自身を除く): 315962000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 89, 95, 100, 125, 152, 178, 190, 200, 250, 356, 380, 445, 475, 500, 625, 712, 760, 890, 950, 1000, 1250, 1691, 1780, 1900, 2225, 2375, 2500, 3125, 3382, 3560, 3800, 4450, 4750, 5000, 6250, 6764, 8455, 8900, 9500, 11125, 11875, 12500, 13528, 15625, 16910, 17800, 19000, 22250, 23750, 25000, 31250, 33820, 42275, 44500, 47500, 55625, 59375, 62500, 67640, 84550, 89000, 95000, 111250, 118750, 125000, 169100, 211375, 222500, 237500, 278125, 296875, 338200, 422750, 445000, 475000, 556250, 593750, 845500, 1056875, 1112500, 1187500, 1390625, 1691000, 2113750, 2225000, 2375000, 2781250, 4227500, 5284375, 5562500, 8455000, 10568750, 11125000, 21137500, 26421875, 42275000, 52843750, 105687500, 211375000]

約数ペア:

[(1, 211375000), (2, 105687500), (4, 52843750), (5, 42275000), (8, 26421875), (10, 21137500), (19, 11125000), (20, 10568750), (25, 8455000), (38, 5562500), (40, 5284375), (50, 4227500), (76, 2781250), (89, 2375000), (95, 2225000), (100, 2113750), (125, 1691000), (152, 1390625), (178, 1187500), (190, 1112500), (200, 1056875), (250, 845500), (356, 593750), (380, 556250), (445, 475000), (475, 445000), (500, 422750), (625, 338200), (712, 296875), (760, 278125), (890, 237500), (950, 222500), (1000, 211375), (1250, 169100), (1691, 125000), (1780, 118750), (1900, 111250), (2225, 95000), (2375, 89000), (2500, 84550), (3125, 67640), (3382, 62500), (3560, 59375), (3800, 55625), (4450, 47500), (4750, 44500), (5000, 42275), (6250, 33820), (6764, 31250), (8455, 25000), (8900, 23750), (9500, 22250), (11125, 19000), (11875, 17800), (12500, 16910), (13528, 15625)]