90991400

素因数分解:

$2^3\times 5^2\times {\mathrm{601}}^1\times {\mathrm{757}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 212186940

約数和(自身を除く): 121195540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 601, 757, 1202, 1514, 2404, 3005, 3028, 3785, 4808, 6010, 6056, 7570, 12020, 15025, 15140, 18925, 24040, 30050, 30280, 37850, 60100, 75700, 120200, 151400, 454957, 909914, 1819828, 2274785, 3639656, 4549570, 9099140, 11373925, 18198280, 22747850, 45495700, 90991400]

約数ペア:

[(1, 90991400), (2, 45495700), (4, 22747850), (5, 18198280), (8, 11373925), (10, 9099140), (20, 4549570), (25, 3639656), (40, 2274785), (50, 1819828), (100, 909914), (200, 454957), (601, 151400), (757, 120200), (1202, 75700), (1514, 60100), (2404, 37850), (3005, 30280), (3028, 30050), (3785, 24040), (4808, 18925), (6010, 15140), (6056, 15025), (7570, 12020)]