16910000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 100

約数和(自身を含む): 43579800

約数和(自身を除く): 26669800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 89, 95, 100, 125, 152, 178, 190, 200, 250, 304, 356, 380, 400, 445, 475, 500, 625, 712, 760, 890, 950, 1000, 1250, 1424, 1520, 1691, 1780, 1900, 2000, 2225, 2375, 2500, 3382, 3560, 3800, 4450, 4750, 5000, 6764, 7120, 7600, 8455, 8900, 9500, 10000, 11125, 11875, 13528, 16910, 17800, 19000, 22250, 23750, 27056, 33820, 35600, 38000, 42275, 44500, 47500, 55625, 67640, 84550, 89000, 95000, 111250, 135280, 169100, 178000, 190000, 211375, 222500, 338200, 422750, 445000, 676400, 845500, 890000, 1056875, 1691000, 2113750, 3382000, 4227500, 8455000, 16910000]

約数ペア:

[(1, 16910000), (2, 8455000), (4, 4227500), (5, 3382000), (8, 2113750), (10, 1691000), (16, 1056875), (19, 890000), (20, 845500), (25, 676400), (38, 445000), (40, 422750), (50, 338200), (76, 222500), (80, 211375), (89, 190000), (95, 178000), (100, 169100), (125, 135280), (152, 111250), (178, 95000), (190, 89000), (200, 84550), (250, 67640), (304, 55625), (356, 47500), (380, 44500), (400, 42275), (445, 38000), (475, 35600), (500, 33820), (625, 27056), (712, 23750), (760, 22250), (890, 19000), (950, 17800), (1000, 16910), (1250, 13528), (1424, 11875), (1520, 11125), (1691, 10000), (1780, 9500), (1900, 8900), (2000, 8455), (2225, 7600), (2375, 7120), (2500, 6764), (3382, 5000), (3560, 4750), (3800, 4450)]