61988500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 157248000

約数和(自身を除く): 95259500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 125, 140, 175, 178, 199, 250, 350, 356, 398, 445, 500, 623, 700, 796, 875, 890, 995, 1246, 1393, 1750, 1780, 1990, 2225, 2492, 2786, 3115, 3500, 3980, 4450, 4975, 5572, 6230, 6965, 8900, 9950, 11125, 12460, 13930, 15575, 17711, 19900, 22250, 24875, 27860, 31150, 34825, 35422, 44500, 49750, 62300, 69650, 70844, 77875, 88555, 99500, 123977, 139300, 155750, 174125, 177110, 247954, 311500, 348250, 354220, 442775, 495908, 619885, 696500, 885550, 1239770, 1771100, 2213875, 2479540, 3099425, 4427750, 6198850, 8855500, 12397700, 15497125, 30994250, 61988500]

約数ペア:

[(1, 61988500), (2, 30994250), (4, 15497125), (5, 12397700), (7, 8855500), (10, 6198850), (14, 4427750), (20, 3099425), (25, 2479540), (28, 2213875), (35, 1771100), (50, 1239770), (70, 885550), (89, 696500), (100, 619885), (125, 495908), (140, 442775), (175, 354220), (178, 348250), (199, 311500), (250, 247954), (350, 177110), (356, 174125), (398, 155750), (445, 139300), (500, 123977), (623, 99500), (700, 88555), (796, 77875), (875, 70844), (890, 69650), (995, 62300), (1246, 49750), (1393, 44500), (1750, 35422), (1780, 34825), (1990, 31150), (2225, 27860), (2492, 24875), (2786, 22250), (3115, 19900), (3500, 17711), (3980, 15575), (4450, 13930), (4975, 12460), (5572, 11125), (6230, 9950), (6965, 8900)]