490483400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{222947}}^1$

素因数の和:222974

約数の個数: 48

約数和(自身を含む): 1244049840

約数和(自身を除く): 753566440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 222947, 445894, 891788, 1114735, 1783576, 2229470, 2452417, 4458940, 4904834, 5573675, 8917880, 9809668, 11147350, 12262085, 19619336, 22294700, 24524170, 44589400, 49048340, 61310425, 98096680, 122620850, 245241700, 490483400]

約数ペア:

[(1, 490483400), (2, 245241700), (4, 122620850), (5, 98096680), (8, 61310425), (10, 49048340), (11, 44589400), (20, 24524170), (22, 22294700), (25, 19619336), (40, 12262085), (44, 11147350), (50, 9809668), (55, 8917880), (88, 5573675), (100, 4904834), (110, 4458940), (200, 2452417), (220, 2229470), (275, 1783576), (440, 1114735), (550, 891788), (1100, 445894), (2200, 222947)]