28383800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 66532200

約数和(自身を除く): 38148400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1021, 1112, 1390, 2042, 2780, 3475, 4084, 5105, 5560, 6950, 8168, 10210, 13900, 20420, 25525, 27800, 40840, 51050, 102100, 141919, 204200, 283838, 567676, 709595, 1135352, 1419190, 2838380, 3547975, 5676760, 7095950, 14191900, 28383800]

約数ペア:

[(1, 28383800), (2, 14191900), (4, 7095950), (5, 5676760), (8, 3547975), (10, 2838380), (20, 1419190), (25, 1135352), (40, 709595), (50, 567676), (100, 283838), (139, 204200), (200, 141919), (278, 102100), (556, 51050), (695, 40840), (1021, 27800), (1112, 25525), (1390, 20420), (2042, 13900), (2780, 10210), (3475, 8168), (4084, 6950), (5105, 5560)]