817226000

素因数分解:

$2^4\times 5^3\times {\mathrm{317}}^1\times {\mathrm{1289}}^1$

素因数の和:1629

約数の個数: 80

約数和(自身を含む): 1983823920

約数和(自身を除く): 1166597920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 317, 400, 500, 634, 1000, 1268, 1289, 1585, 2000, 2536, 2578, 3170, 5072, 5156, 6340, 6445, 7925, 10312, 12680, 12890, 15850, 20624, 25360, 25780, 31700, 32225, 39625, 51560, 63400, 64450, 79250, 103120, 126800, 128900, 158500, 161125, 257800, 317000, 322250, 408613, 515600, 634000, 644500, 817226, 1289000, 1634452, 2043065, 2578000, 3268904, 4086130, 6537808, 8172260, 10215325, 16344520, 20430650, 32689040, 40861300, 51076625, 81722600, 102153250, 163445200, 204306500, 408613000, 817226000]

約数ペア:

[(1, 817226000), (2, 408613000), (4, 204306500), (5, 163445200), (8, 102153250), (10, 81722600), (16, 51076625), (20, 40861300), (25, 32689040), (40, 20430650), (50, 16344520), (80, 10215325), (100, 8172260), (125, 6537808), (200, 4086130), (250, 3268904), (317, 2578000), (400, 2043065), (500, 1634452), (634, 1289000), (1000, 817226), (1268, 644500), (1289, 634000), (1585, 515600), (2000, 408613), (2536, 322250), (2578, 317000), (3170, 257800), (5072, 161125), (5156, 158500), (6340, 128900), (6445, 126800), (7925, 103120), (10312, 79250), (12680, 64450), (12890, 63400), (15850, 51560), (20624, 39625), (25360, 32225), (25780, 31700)]