2000997400

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{47417}}^1$

素因数の和:47644

約数の個数: 48

約数和(自身を含む): 4674466440

約数和(自身を除く): 2673469040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1055, 1688, 2110, 4220, 5275, 8440, 10550, 21100, 42200, 47417, 94834, 189668, 237085, 379336, 474170, 948340, 1185425, 1896680, 2370850, 4741700, 9483400, 10004987, 20009974, 40019948, 50024935, 80039896, 100049870, 200099740, 250124675, 400199480, 500249350, 1000498700, 2000997400]

約数ペア:

[(1, 2000997400), (2, 1000498700), (4, 500249350), (5, 400199480), (8, 250124675), (10, 200099740), (20, 100049870), (25, 80039896), (40, 50024935), (50, 40019948), (100, 20009974), (200, 10004987), (211, 9483400), (422, 4741700), (844, 2370850), (1055, 1896680), (1688, 1185425), (2110, 948340), (4220, 474170), (5275, 379336), (8440, 237085), (10550, 189668), (21100, 94834), (42200, 47417)]