218730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 549504

約数和(自身を除く): 330774

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 317, 345, 634, 690, 951, 1585, 1902, 3170, 4755, 7291, 9510, 14582, 21873, 36455, 43746, 72910, 109365, 218730]

約数ペア:

[(1, 218730), (2, 109365), (3, 72910), (5, 43746), (6, 36455), (10, 21873), (15, 14582), (23, 9510), (30, 7291), (46, 4755), (69, 3170), (115, 1902), (138, 1585), (230, 951), (317, 690), (345, 634)]