31796350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 63245952

約数和(自身を除く): 31449602

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 643, 989, 1075, 1150, 1286, 1978, 2150, 3215, 4945, 6430, 9890, 14789, 16075, 24725, 27649, 29578, 32150, 49450, 55298, 73945, 138245, 147890, 276490, 369725, 635927, 691225, 739450, 1271854, 1382450, 3179635, 6359270, 15898175, 31796350]

約数ペア:

[(1, 31796350), (2, 15898175), (5, 6359270), (10, 3179635), (23, 1382450), (25, 1271854), (43, 739450), (46, 691225), (50, 635927), (86, 369725), (115, 276490), (215, 147890), (230, 138245), (430, 73945), (575, 55298), (643, 49450), (989, 32150), (1075, 29578), (1150, 27649), (1286, 24725), (1978, 16075), (2150, 14789), (3215, 9890), (4945, 6430)]