289075690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{3049}}^1$

素因数の和:3574

約数の個数: 32

約数和(自身を含む): 549000000

約数和(自身を除く): 259924310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 499, 998, 2495, 3049, 4990, 6098, 9481, 15245, 18962, 30490, 47405, 57931, 94810, 115862, 289655, 579310, 1521451, 3042902, 7607255, 15214510, 28907569, 57815138, 144537845, 289075690]

約数ペア:

[(1, 289075690), (2, 144537845), (5, 57815138), (10, 28907569), (19, 15214510), (38, 7607255), (95, 3042902), (190, 1521451), (499, 579310), (998, 289655), (2495, 115862), (3049, 94810), (4990, 57931), (6098, 47405), (9481, 30490), (15245, 18962)]