207479920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89431}}^1$

素因数の和:89473

約数の個数: 40

約数和(自身を含む): 499030560

約数和(自身を除く): 291550640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 89431, 178862, 357724, 447155, 715448, 894310, 1430896, 1788620, 2593499, 3577240, 5186998, 7154480, 10373996, 12967495, 20747992, 25934990, 41495984, 51869980, 103739960, 207479920]

約数ペア:

[(1, 207479920), (2, 103739960), (4, 51869980), (5, 41495984), (8, 25934990), (10, 20747992), (16, 12967495), (20, 10373996), (29, 7154480), (40, 5186998), (58, 3577240), (80, 2593499), (116, 1788620), (145, 1430896), (232, 894310), (290, 715448), (464, 447155), (580, 357724), (1160, 178862), (2320, 89431)]