29147500

素因数分解:

$2^2\times 5^4\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 64947960

約数和(自身を除く): 35800460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 131, 178, 250, 262, 356, 445, 500, 524, 625, 655, 890, 1250, 1310, 1780, 2225, 2500, 2620, 3275, 4450, 6550, 8900, 11125, 11659, 13100, 16375, 22250, 23318, 32750, 44500, 46636, 55625, 58295, 65500, 81875, 111250, 116590, 163750, 222500, 233180, 291475, 327500, 582950, 1165900, 1457375, 2914750, 5829500, 7286875, 14573750, 29147500]

約数ペア:

[(1, 29147500), (2, 14573750), (4, 7286875), (5, 5829500), (10, 2914750), (20, 1457375), (25, 1165900), (50, 582950), (89, 327500), (100, 291475), (125, 233180), (131, 222500), (178, 163750), (250, 116590), (262, 111250), (356, 81875), (445, 65500), (500, 58295), (524, 55625), (625, 46636), (655, 44500), (890, 32750), (1250, 23318), (1310, 22250), (1780, 16375), (2225, 13100), (2500, 11659), (2620, 11125), (3275, 8900), (4450, 6550)]