2205800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 5273100

約数和(自身を除く): 3067300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 269, 328, 410, 538, 820, 1025, 1076, 1345, 1640, 2050, 2152, 2690, 4100, 5380, 6725, 8200, 10760, 11029, 13450, 22058, 26900, 44116, 53800, 55145, 88232, 110290, 220580, 275725, 441160, 551450, 1102900, 2205800]

約数ペア:

[(1, 2205800), (2, 1102900), (4, 551450), (5, 441160), (8, 275725), (10, 220580), (20, 110290), (25, 88232), (40, 55145), (41, 53800), (50, 44116), (82, 26900), (100, 22058), (164, 13450), (200, 11029), (205, 10760), (269, 8200), (328, 6725), (410, 5380), (538, 4100), (820, 2690), (1025, 2152), (1076, 2050), (1345, 1640)]