30994250

素因数分解:

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

素因数の和:312

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 36397750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 125, 175, 178, 199, 250, 350, 398, 445, 623, 875, 890, 995, 1246, 1393, 1750, 1990, 2225, 2786, 3115, 4450, 4975, 6230, 6965, 9950, 11125, 13930, 15575, 17711, 22250, 24875, 31150, 34825, 35422, 49750, 69650, 77875, 88555, 123977, 155750, 174125, 177110, 247954, 348250, 442775, 619885, 885550, 1239770, 2213875, 3099425, 4427750, 6198850, 15497125, 30994250]

約数ペア:

[(1, 30994250), (2, 15497125), (5, 6198850), (7, 4427750), (10, 3099425), (14, 2213875), (25, 1239770), (35, 885550), (50, 619885), (70, 442775), (89, 348250), (125, 247954), (175, 177110), (178, 174125), (199, 155750), (250, 123977), (350, 88555), (398, 77875), (445, 69650), (623, 49750), (875, 35422), (890, 34825), (995, 31150), (1246, 24875), (1393, 22250), (1750, 17711), (1990, 15575), (2225, 13930), (2786, 11125), (3115, 9950), (4450, 6965), (4975, 6230)]