1312400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 3355812

約数和(自身を除く): 2043412

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 193, 200, 272, 340, 386, 400, 425, 680, 772, 850, 965, 1360, 1544, 1700, 1930, 3088, 3281, 3400, 3860, 4825, 6562, 6800, 7720, 9650, 13124, 15440, 16405, 19300, 26248, 32810, 38600, 52496, 65620, 77200, 82025, 131240, 164050, 262480, 328100, 656200, 1312400]

約数ペア:

[(1, 1312400), (2, 656200), (4, 328100), (5, 262480), (8, 164050), (10, 131240), (16, 82025), (17, 77200), (20, 65620), (25, 52496), (34, 38600), (40, 32810), (50, 26248), (68, 19300), (80, 16405), (85, 15440), (100, 13124), (136, 9650), (170, 7720), (193, 6800), (200, 6562), (272, 4825), (340, 3860), (386, 3400), (400, 3281), (425, 3088), (680, 1930), (772, 1700), (850, 1544), (965, 1360)]