169100000

素因数分解:

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

素因数の和:143

約数の個数: 144

約数和(自身を含む): 442940400

約数和(自身を除く): 273840400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 89, 95, 100, 125, 152, 160, 178, 190, 200, 250, 304, 356, 380, 400, 445, 475, 500, 608, 625, 712, 760, 800, 890, 950, 1000, 1250, 1424, 1520, 1691, 1780, 1900, 2000, 2225, 2375, 2500, 2848, 3040, 3125, 3382, 3560, 3800, 4000, 4450, 4750, 5000, 6250, 6764, 7120, 7600, 8455, 8900, 9500, 10000, 11125, 11875, 12500, 13528, 14240, 15200, 16910, 17800, 19000, 20000, 22250, 23750, 25000, 27056, 33820, 35600, 38000, 42275, 44500, 47500, 50000, 54112, 55625, 59375, 67640, 71200, 76000, 84550, 89000, 95000, 100000, 111250, 118750, 135280, 169100, 178000, 190000, 211375, 222500, 237500, 270560, 278125, 338200, 356000, 380000, 422750, 445000, 475000, 556250, 676400, 845500, 890000, 950000, 1056875, 1112500, 1352800, 1691000, 1780000, 1900000, 2113750, 2225000, 3382000, 4227500, 4450000, 5284375, 6764000, 8455000, 8900000, 10568750, 16910000, 21137500, 33820000, 42275000, 84550000, 169100000]

約数ペア:

[(1, 169100000), (2, 84550000), (4, 42275000), (5, 33820000), (8, 21137500), (10, 16910000), (16, 10568750), (19, 8900000), (20, 8455000), (25, 6764000), (32, 5284375), (38, 4450000), (40, 4227500), (50, 3382000), (76, 2225000), (80, 2113750), (89, 1900000), (95, 1780000), (100, 1691000), (125, 1352800), (152, 1112500), (160, 1056875), (178, 950000), (190, 890000), (200, 845500), (250, 676400), (304, 556250), (356, 475000), (380, 445000), (400, 422750), (445, 380000), (475, 356000), (500, 338200), (608, 278125), (625, 270560), (712, 237500), (760, 222500), (800, 211375), (890, 190000), (950, 178000), (1000, 169100), (1250, 135280), (1424, 118750), (1520, 111250), (1691, 100000), (1780, 95000), (1900, 89000), (2000, 84550), (2225, 76000), (2375, 71200), (2500, 67640), (2848, 59375), (3040, 55625), (3125, 54112), (3382, 50000), (3560, 47500), (3800, 44500), (4000, 42275), (4450, 38000), (4750, 35600), (5000, 33820), (6250, 27056), (6764, 25000), (7120, 23750), (7600, 22250), (8455, 20000), (8900, 19000), (9500, 17800), (10000, 16910), (11125, 15200), (11875, 14240), (12500, 13528)]