2488100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 5468400

約数和(自身を除く): 2980300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 179, 278, 358, 556, 695, 716, 895, 1390, 1790, 2780, 3475, 3580, 4475, 6950, 8950, 13900, 17900, 24881, 49762, 99524, 124405, 248810, 497620, 622025, 1244050, 2488100]

約数ペア:

[(1, 2488100), (2, 1244050), (4, 622025), (5, 497620), (10, 248810), (20, 124405), (25, 99524), (50, 49762), (100, 24881), (139, 17900), (179, 13900), (278, 8950), (358, 6950), (556, 4475), (695, 3580), (716, 3475), (895, 2780), (1390, 1790)]