99740120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 237600000

約数和(自身を除く): 137859880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 263, 380, 499, 526, 760, 998, 1052, 1315, 1996, 2104, 2495, 2630, 3992, 4990, 4997, 5260, 9481, 9980, 9994, 10520, 18962, 19960, 19988, 24985, 37924, 39976, 47405, 49970, 75848, 94810, 99940, 131237, 189620, 199880, 262474, 379240, 524948, 656185, 1049896, 1312370, 2493503, 2624740, 4987006, 5249480, 9974012, 12467515, 19948024, 24935030, 49870060, 99740120]

約数ペア:

[(1, 99740120), (2, 49870060), (4, 24935030), (5, 19948024), (8, 12467515), (10, 9974012), (19, 5249480), (20, 4987006), (38, 2624740), (40, 2493503), (76, 1312370), (95, 1049896), (152, 656185), (190, 524948), (263, 379240), (380, 262474), (499, 199880), (526, 189620), (760, 131237), (998, 99940), (1052, 94810), (1315, 75848), (1996, 49970), (2104, 47405), (2495, 39976), (2630, 37924), (3992, 24985), (4990, 19988), (4997, 19960), (5260, 18962), (9481, 10520), (9980, 9994)]