129298840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293861}}^1$

素因数の和:293883

約数の個数: 32

約数和(自身を含む): 317370960

約数和(自身を除く): 188072120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 293861, 587722, 1175444, 1469305, 2350888, 2938610, 3232471, 5877220, 6464942, 11754440, 12929884, 16162355, 25859768, 32324710, 64649420, 129298840]

約数ペア:

[(1, 129298840), (2, 64649420), (4, 32324710), (5, 25859768), (8, 16162355), (10, 12929884), (11, 11754440), (20, 6464942), (22, 5877220), (40, 3232471), (44, 2938610), (55, 2350888), (88, 1469305), (110, 1175444), (220, 587722), (440, 293861)]