2018978840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1740499}}^1$

素因数の和:1740539

約数の個数: 32

約数和(自身を含む): 4699350000

約数和(自身を除く): 2680371160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1740499, 3480998, 6961996, 8702495, 13923992, 17404990, 34809980, 50474471, 69619960, 100948942, 201897884, 252372355, 403795768, 504744710, 1009489420, 2018978840]

約数ペア:

[(1, 2018978840), (2, 1009489420), (4, 504744710), (5, 403795768), (8, 252372355), (10, 201897884), (20, 100948942), (29, 69619960), (40, 50474471), (58, 34809980), (116, 17404990), (145, 13923992), (232, 8702495), (290, 6961996), (580, 3480998), (1160, 1740499)]