3141400

素因数分解:

$2^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 7421400

約数和(自身を除く): 4280000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 139, 200, 226, 278, 452, 556, 565, 695, 904, 1112, 1130, 1390, 2260, 2780, 2825, 3475, 4520, 5560, 5650, 6950, 11300, 13900, 15707, 22600, 27800, 31414, 62828, 78535, 125656, 157070, 314140, 392675, 628280, 785350, 1570700, 3141400]

約数ペア:

[(1, 3141400), (2, 1570700), (4, 785350), (5, 628280), (8, 392675), (10, 314140), (20, 157070), (25, 125656), (40, 78535), (50, 62828), (100, 31414), (113, 27800), (139, 22600), (200, 15707), (226, 13900), (278, 11300), (452, 6950), (556, 5650), (565, 5560), (695, 4520), (904, 3475), (1112, 2825), (1130, 2780), (1390, 2260)]