42702200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{2399}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 100440000

約数和(自身を除く): 57737800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 2399, 3560, 4450, 4798, 8900, 9596, 11995, 17800, 19192, 23990, 47980, 59975, 95960, 119950, 213511, 239900, 427022, 479800, 854044, 1067555, 1708088, 2135110, 4270220, 5337775, 8540440, 10675550, 21351100, 42702200]

約数ペア:

[(1, 42702200), (2, 21351100), (4, 10675550), (5, 8540440), (8, 5337775), (10, 4270220), (20, 2135110), (25, 1708088), (40, 1067555), (50, 854044), (89, 479800), (100, 427022), (178, 239900), (200, 213511), (356, 119950), (445, 95960), (712, 59975), (890, 47980), (1780, 23990), (2225, 19192), (2399, 17800), (3560, 11995), (4450, 9596), (4798, 8900)]