131942500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:706

約数の個数: 60

約数和(自身を含む): 292265820

約数和(自身を除く): 160323320

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 593, 625, 890, 1186, 1250, 1780, 2225, 2372, 2500, 2965, 4450, 5930, 8900, 11125, 11860, 14825, 22250, 29650, 44500, 52777, 55625, 59300, 74125, 105554, 111250, 148250, 211108, 222500, 263885, 296500, 370625, 527770, 741250, 1055540, 1319425, 1482500, 2638850, 5277700, 6597125, 13194250, 26388500, 32985625, 65971250, 131942500]

約数ペア:

[(1, 131942500), (2, 65971250), (4, 32985625), (5, 26388500), (10, 13194250), (20, 6597125), (25, 5277700), (50, 2638850), (89, 1482500), (100, 1319425), (125, 1055540), (178, 741250), (250, 527770), (356, 370625), (445, 296500), (500, 263885), (593, 222500), (625, 211108), (890, 148250), (1186, 111250), (1250, 105554), (1780, 74125), (2225, 59300), (2372, 55625), (2500, 52777), (2965, 44500), (4450, 29650), (5930, 22250), (8900, 14825), (11125, 11860)]