28203100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2182

約数の個数: 36

約数和(自身を含む): 61671400

約数和(自身を除く): 33468300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2029, 2780, 3475, 4058, 6950, 8116, 10145, 13900, 20290, 40580, 50725, 101450, 202900, 282031, 564062, 1128124, 1410155, 2820310, 5640620, 7050775, 14101550, 28203100]

約数ペア:

[(1, 28203100), (2, 14101550), (4, 7050775), (5, 5640620), (10, 2820310), (20, 1410155), (25, 1128124), (50, 564062), (100, 282031), (139, 202900), (278, 101450), (556, 50725), (695, 40580), (1390, 20290), (2029, 13900), (2780, 10145), (3475, 8116), (4058, 6950)]