1591216400

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{28619}}^1$

素因数の和:28776

約数の個数: 60

約数和(自身を含む): 3850534800

約数和(自身を除く): 2259318400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1390, 2224, 2780, 3475, 5560, 6950, 11120, 13900, 27800, 28619, 55600, 57238, 114476, 143095, 228952, 286190, 457904, 572380, 715475, 1144760, 1430950, 2289520, 2861900, 3978041, 5723800, 7956082, 11447600, 15912164, 19890205, 31824328, 39780410, 63648656, 79560820, 99451025, 159121640, 198902050, 318243280, 397804100, 795608200, 1591216400]

約数ペア:

[(1, 1591216400), (2, 795608200), (4, 397804100), (5, 318243280), (8, 198902050), (10, 159121640), (16, 99451025), (20, 79560820), (25, 63648656), (40, 39780410), (50, 31824328), (80, 19890205), (100, 15912164), (139, 11447600), (200, 7956082), (278, 5723800), (400, 3978041), (556, 2861900), (695, 2289520), (1112, 1430950), (1390, 1144760), (2224, 715475), (2780, 572380), (3475, 457904), (5560, 286190), (6950, 228952), (11120, 143095), (13900, 114476), (27800, 57238), (28619, 55600)]