212499500

素因数分解:

$2^2\times 5^3\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 467227488

約数和(自身を除く): 254727988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 250, 314, 500, 628, 785, 1570, 2707, 3140, 3925, 5414, 7850, 10828, 13535, 15700, 19625, 27070, 39250, 54140, 67675, 78500, 135350, 270700, 338375, 424999, 676750, 849998, 1353500, 1699996, 2124995, 4249990, 8499980, 10624975, 21249950, 42499900, 53124875, 106249750, 212499500]

約数ペア:

[(1, 212499500), (2, 106249750), (4, 53124875), (5, 42499900), (10, 21249950), (20, 10624975), (25, 8499980), (50, 4249990), (100, 2124995), (125, 1699996), (157, 1353500), (250, 849998), (314, 676750), (500, 424999), (628, 338375), (785, 270700), (1570, 135350), (2707, 78500), (3140, 67675), (3925, 54140), (5414, 39250), (7850, 27070), (10828, 19625), (13535, 15700)]