220173220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 481924800

約数和(自身を除く): 261751580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2731, 2780, 4031, 5462, 8062, 10924, 13655, 16124, 20155, 27310, 40310, 54620, 79199, 80620, 158398, 316796, 379609, 395995, 759218, 791990, 1518436, 1583980, 1898045, 3796090, 7592180, 11008661, 22017322, 44034644, 55043305, 110086610, 220173220]

約数ペア:

[(1, 220173220), (2, 110086610), (4, 55043305), (5, 44034644), (10, 22017322), (20, 11008661), (29, 7592180), (58, 3796090), (116, 1898045), (139, 1583980), (145, 1518436), (278, 791990), (290, 759218), (556, 395995), (580, 379609), (695, 316796), (1390, 158398), (2731, 80620), (2780, 79199), (4031, 54620), (5462, 40310), (8062, 27310), (10924, 20155), (13655, 16124)]