43490920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 107956800

約数和(自身を除く): 64465880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1019, 1067, 1940, 2038, 2134, 3880, 4076, 4268, 5095, 5335, 8152, 8536, 10190, 10670, 11209, 20380, 21340, 22418, 40760, 42680, 44836, 56045, 89672, 98843, 112090, 197686, 224180, 395372, 448360, 494215, 790744, 988430, 1087273, 1976860, 2174546, 3953720, 4349092, 5436365, 8698184, 10872730, 21745460, 43490920]

約数ペア:

[(1, 43490920), (2, 21745460), (4, 10872730), (5, 8698184), (8, 5436365), (10, 4349092), (11, 3953720), (20, 2174546), (22, 1976860), (40, 1087273), (44, 988430), (55, 790744), (88, 494215), (97, 448360), (110, 395372), (194, 224180), (220, 197686), (388, 112090), (440, 98843), (485, 89672), (776, 56045), (970, 44836), (1019, 42680), (1067, 40760), (1940, 22418), (2038, 21340), (2134, 20380), (3880, 11209), (4076, 10670), (4268, 10190), (5095, 8536), (5335, 8152)]