12497800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 33926400

約数和(自身を除く): 21428600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 79, 100, 113, 140, 158, 175, 200, 226, 280, 316, 350, 395, 452, 553, 565, 632, 700, 790, 791, 904, 1106, 1130, 1400, 1580, 1582, 1975, 2212, 2260, 2765, 2825, 3160, 3164, 3950, 3955, 4424, 4520, 5530, 5650, 6328, 7900, 7910, 8927, 11060, 11300, 13825, 15800, 15820, 17854, 19775, 22120, 22600, 27650, 31640, 35708, 39550, 44635, 55300, 62489, 71416, 79100, 89270, 110600, 124978, 158200, 178540, 223175, 249956, 312445, 357080, 446350, 499912, 624890, 892700, 1249780, 1562225, 1785400, 2499560, 3124450, 6248900, 12497800]

約数ペア:

[(1, 12497800), (2, 6248900), (4, 3124450), (5, 2499560), (7, 1785400), (8, 1562225), (10, 1249780), (14, 892700), (20, 624890), (25, 499912), (28, 446350), (35, 357080), (40, 312445), (50, 249956), (56, 223175), (70, 178540), (79, 158200), (100, 124978), (113, 110600), (140, 89270), (158, 79100), (175, 71416), (200, 62489), (226, 55300), (280, 44635), (316, 39550), (350, 35708), (395, 31640), (452, 27650), (553, 22600), (565, 22120), (632, 19775), (700, 17854), (790, 15820), (791, 15800), (904, 13825), (1106, 11300), (1130, 11060), (1400, 8927), (1580, 7910), (1582, 7900), (1975, 6328), (2212, 5650), (2260, 5530), (2765, 4520), (2825, 4424), (3160, 3955), (3164, 3950)]