38391800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 89968200

約数和(自身を除く): 51576400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1381, 1390, 2762, 2780, 3475, 5524, 5560, 6905, 6950, 11048, 13810, 13900, 27620, 27800, 34525, 55240, 69050, 138100, 191959, 276200, 383918, 767836, 959795, 1535672, 1919590, 3839180, 4798975, 7678360, 9597950, 19195900, 38391800]

約数ペア:

[(1, 38391800), (2, 19195900), (4, 9597950), (5, 7678360), (8, 4798975), (10, 3839180), (20, 1919590), (25, 1535672), (40, 959795), (50, 767836), (100, 383918), (139, 276200), (200, 191959), (278, 138100), (556, 69050), (695, 55240), (1112, 34525), (1381, 27800), (1390, 27620), (2762, 13900), (2780, 13810), (3475, 11048), (5524, 6950), (5560, 6905)]