20190500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3671}}^1$

素因数の和:3701

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 27927388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 3671, 5500, 7342, 14684, 18355, 36710, 40381, 73420, 80762, 91775, 161524, 183550, 201905, 367100, 403810, 458875, 807620, 917750, 1009525, 1835500, 2019050, 4038100, 5047625, 10095250, 20190500]

約数ペア:

[(1, 20190500), (2, 10095250), (4, 5047625), (5, 4038100), (10, 2019050), (11, 1835500), (20, 1009525), (22, 917750), (25, 807620), (44, 458875), (50, 403810), (55, 367100), (100, 201905), (110, 183550), (125, 161524), (220, 91775), (250, 80762), (275, 73420), (500, 40381), (550, 36710), (1100, 18355), (1375, 14684), (2750, 7342), (3671, 5500)]