42275000

素因数分解:

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

素因数の和:139

約数の個数: 96

約数和(自身を含む): 105462000

約数和(自身を除く): 63187000

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, 16910, 17800, 19000, 22250, 23750, 25000, 33820, 42275, 44500, 47500, 55625, 59375, 67640, 84550, 89000, 95000, 111250, 118750, 169100, 211375, 222500, 237500, 278125, 338200, 422750, 445000, 475000, 556250, 845500, 1056875, 1112500, 1691000, 2113750, 2225000, 4227500, 5284375, 8455000, 10568750, 21137500, 42275000]

約数ペア:

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