12199220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^2$

素因数の和:173

約数の個数: 54

約数和(自身を含む): 28561218

約数和(自身を除く): 16361998

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 605, 710, 781, 1210, 1420, 1562, 2420, 3124, 3905, 5041, 7810, 8591, 10082, 15620, 17182, 20164, 25205, 34364, 42955, 50410, 55451, 85910, 100820, 110902, 171820, 221804, 277255, 554510, 609961, 1109020, 1219922, 2439844, 3049805, 6099610, 12199220]

約数ペア:

[(1, 12199220), (2, 6099610), (4, 3049805), (5, 2439844), (10, 1219922), (11, 1109020), (20, 609961), (22, 554510), (44, 277255), (55, 221804), (71, 171820), (110, 110902), (121, 100820), (142, 85910), (220, 55451), (242, 50410), (284, 42955), (355, 34364), (484, 25205), (605, 20164), (710, 17182), (781, 15620), (1210, 10082), (1420, 8591), (1562, 7810), (2420, 5041), (3124, 3905)]