79479820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 195654816

約数和(自身を除く): 116174996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 257, 329, 470, 514, 658, 940, 1028, 1285, 1316, 1645, 1799, 2209, 2570, 3290, 3598, 4418, 5140, 6580, 7196, 8836, 8995, 11045, 12079, 15463, 17990, 22090, 24158, 30926, 35980, 44180, 48316, 60395, 61852, 77315, 84553, 120790, 154630, 169106, 241580, 309260, 338212, 422765, 567713, 845530, 1135426, 1691060, 2270852, 2838565, 3973991, 5677130, 7947982, 11354260, 15895964, 19869955, 39739910, 79479820]

約数ペア:

[(1, 79479820), (2, 39739910), (4, 19869955), (5, 15895964), (7, 11354260), (10, 7947982), (14, 5677130), (20, 3973991), (28, 2838565), (35, 2270852), (47, 1691060), (70, 1135426), (94, 845530), (140, 567713), (188, 422765), (235, 338212), (257, 309260), (329, 241580), (470, 169106), (514, 154630), (658, 120790), (940, 84553), (1028, 77315), (1285, 61852), (1316, 60395), (1645, 48316), (1799, 44180), (2209, 35980), (2570, 30926), (3290, 24158), (3598, 22090), (4418, 17990), (5140, 15463), (6580, 12079), (7196, 11045), (8836, 8995)]