68855990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4943}}^1$

素因数の和:5156

約数の個数: 32

約数和(自身を含む): 142387200

約数和(自身を除く): 73531210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 4943, 6965, 9886, 13930, 24715, 34601, 49430, 69202, 173005, 346010, 983657, 1967314, 4918285, 6885599, 9836570, 13771198, 34427995, 68855990]

約数ペア:

[(1, 68855990), (2, 34427995), (5, 13771198), (7, 9836570), (10, 6885599), (14, 4918285), (35, 1967314), (70, 983657), (199, 346010), (398, 173005), (995, 69202), (1393, 49430), (1990, 34601), (2786, 24715), (4943, 13930), (6965, 9886)]