42499900

素因数分解:

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

素因数の和:2878

約数の個数: 36

約数和(自身を含む): 92846488

約数和(自身を除く): 50346588

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 2707, 3140, 3925, 5414, 7850, 10828, 13535, 15700, 27070, 54140, 67675, 135350, 270700, 424999, 849998, 1699996, 2124995, 4249990, 8499980, 10624975, 21249950, 42499900]

約数ペア:

[(1, 42499900), (2, 21249950), (4, 10624975), (5, 8499980), (10, 4249990), (20, 2124995), (25, 1699996), (50, 849998), (100, 424999), (157, 270700), (314, 135350), (628, 67675), (785, 54140), (1570, 27070), (2707, 15700), (3140, 13535), (3925, 10828), (5414, 7850)]