12120400

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 60

約数和(自身を含む): 29456572

約数和(自身を除く): 17336172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 193, 200, 314, 386, 400, 628, 772, 785, 965, 1256, 1544, 1570, 1930, 2512, 3088, 3140, 3860, 3925, 4825, 6280, 7720, 7850, 9650, 12560, 15440, 15700, 19300, 30301, 31400, 38600, 60602, 62800, 77200, 121204, 151505, 242408, 303010, 484816, 606020, 757525, 1212040, 1515050, 2424080, 3030100, 6060200, 12120400]

約数ペア:

[(1, 12120400), (2, 6060200), (4, 3030100), (5, 2424080), (8, 1515050), (10, 1212040), (16, 757525), (20, 606020), (25, 484816), (40, 303010), (50, 242408), (80, 151505), (100, 121204), (157, 77200), (193, 62800), (200, 60602), (314, 38600), (386, 31400), (400, 30301), (628, 19300), (772, 15700), (785, 15440), (965, 12560), (1256, 9650), (1544, 7850), (1570, 7720), (1930, 6280), (2512, 4825), (3088, 3925), (3140, 3860)]