84995000

素因数分解:

$2^3\times 5^4\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 202435200

約数和(自身を除く): 117440200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 191, 200, 250, 356, 382, 445, 500, 625, 712, 764, 890, 955, 1000, 1250, 1528, 1780, 1910, 2225, 2500, 3560, 3820, 4450, 4775, 5000, 7640, 8900, 9550, 11125, 16999, 17800, 19100, 22250, 23875, 33998, 38200, 44500, 47750, 55625, 67996, 84995, 89000, 95500, 111250, 119375, 135992, 169990, 191000, 222500, 238750, 339980, 424975, 445000, 477500, 679960, 849950, 955000, 1699900, 2124875, 3399800, 4249750, 8499500, 10624375, 16999000, 21248750, 42497500, 84995000]

約数ペア:

[(1, 84995000), (2, 42497500), (4, 21248750), (5, 16999000), (8, 10624375), (10, 8499500), (20, 4249750), (25, 3399800), (40, 2124875), (50, 1699900), (89, 955000), (100, 849950), (125, 679960), (178, 477500), (191, 445000), (200, 424975), (250, 339980), (356, 238750), (382, 222500), (445, 191000), (500, 169990), (625, 135992), (712, 119375), (764, 111250), (890, 95500), (955, 89000), (1000, 84995), (1250, 67996), (1528, 55625), (1780, 47750), (1910, 44500), (2225, 38200), (2500, 33998), (3560, 23875), (3820, 22250), (4450, 19100), (4775, 17800), (5000, 16999), (7640, 11125), (8900, 9550)]