31702690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 58320000

約数和(自身を除く): 26617310

約数列:

[1, 2, 5, 10, 89, 178, 179, 199, 358, 398, 445, 890, 895, 995, 1790, 1990, 15931, 17711, 31862, 35422, 35621, 71242, 79655, 88555, 159310, 177110, 178105, 356210, 3170269, 6340538, 15851345, 31702690]

約数ペア:

[(1, 31702690), (2, 15851345), (5, 6340538), (10, 3170269), (89, 356210), (178, 178105), (179, 177110), (199, 159310), (358, 88555), (398, 79655), (445, 71242), (890, 35621), (895, 35422), (995, 31862), (1790, 17711), (1990, 15931)]