101800120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 236027520

約数和(自身を除く): 134227400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 173, 188, 235, 313, 346, 376, 470, 626, 692, 865, 940, 1252, 1384, 1565, 1730, 1880, 2504, 3130, 3460, 6260, 6920, 8131, 12520, 14711, 16262, 29422, 32524, 40655, 54149, 58844, 65048, 73555, 81310, 108298, 117688, 147110, 162620, 216596, 270745, 294220, 325240, 433192, 541490, 588440, 1082980, 2165960, 2545003, 5090006, 10180012, 12725015, 20360024, 25450030, 50900060, 101800120]

約数ペア:

[(1, 101800120), (2, 50900060), (4, 25450030), (5, 20360024), (8, 12725015), (10, 10180012), (20, 5090006), (40, 2545003), (47, 2165960), (94, 1082980), (173, 588440), (188, 541490), (235, 433192), (313, 325240), (346, 294220), (376, 270745), (470, 216596), (626, 162620), (692, 147110), (865, 117688), (940, 108298), (1252, 81310), (1384, 73555), (1565, 65048), (1730, 58844), (1880, 54149), (2504, 40655), (3130, 32524), (3460, 29422), (6260, 16262), (6920, 14711), (8131, 12520)]