31190704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 36662096

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 47, 59, 74, 76, 94, 118, 148, 152, 188, 236, 296, 304, 376, 472, 592, 703, 752, 893, 944, 1121, 1406, 1739, 1786, 2183, 2242, 2773, 2812, 3478, 3572, 4366, 4484, 5546, 5624, 6956, 7144, 8732, 8968, 11092, 11248, 13912, 14288, 17464, 17936, 22184, 27824, 33041, 34928, 41477, 44368, 52687, 66082, 82954, 102601, 105374, 132164, 165908, 205202, 210748, 264328, 331816, 410404, 421496, 528656, 663632, 820808, 842992, 1641616, 1949419, 3898838, 7797676, 15595352, 31190704]

約数ペア:

[(1, 31190704), (2, 15595352), (4, 7797676), (8, 3898838), (16, 1949419), (19, 1641616), (37, 842992), (38, 820808), (47, 663632), (59, 528656), (74, 421496), (76, 410404), (94, 331816), (118, 264328), (148, 210748), (152, 205202), (188, 165908), (236, 132164), (296, 105374), (304, 102601), (376, 82954), (472, 66082), (592, 52687), (703, 44368), (752, 41477), (893, 34928), (944, 33041), (1121, 27824), (1406, 22184), (1739, 17936), (1786, 17464), (2183, 14288), (2242, 13912), (2773, 11248), (2812, 11092), (3478, 8968), (3572, 8732), (4366, 7144), (4484, 6956), (5546, 5624)]