68449900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{7691}}^1$

素因数の和:7794

約数の個数: 36

約数和(自身を含む): 150224760

約数和(自身を除く): 81774860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 7691, 8900, 15382, 30764, 38455, 76910, 153820, 192275, 384550, 684499, 769100, 1368998, 2737996, 3422495, 6844990, 13689980, 17112475, 34224950, 68449900]

約数ペア:

[(1, 68449900), (2, 34224950), (4, 17112475), (5, 13689980), (10, 6844990), (20, 3422495), (25, 2737996), (50, 1368998), (89, 769100), (100, 684499), (178, 384550), (356, 192275), (445, 153820), (890, 76910), (1780, 38455), (2225, 30764), (4450, 15382), (7691, 8900)]