217660360

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{14827}}^1$

素因数の和:15205

約数の個数: 32

約数和(自身を含む): 491103360

約数和(自身を除く): 273443000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14680, 14827, 29654, 59308, 74135, 118616, 148270, 296540, 593080, 5441509, 10883018, 21766036, 27207545, 43532072, 54415090, 108830180, 217660360]

約数ペア:

[(1, 217660360), (2, 108830180), (4, 54415090), (5, 43532072), (8, 27207545), (10, 21766036), (20, 10883018), (40, 5441509), (367, 593080), (734, 296540), (1468, 148270), (1835, 118616), (2936, 74135), (3670, 59308), (7340, 29654), (14680, 14827)]