21894880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 59984064

約数和(自身を除く): 38089184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 113, 140, 160, 173, 224, 226, 280, 346, 452, 560, 565, 692, 791, 865, 904, 1120, 1130, 1211, 1384, 1582, 1730, 1808, 2260, 2422, 2768, 3164, 3460, 3616, 3955, 4520, 4844, 5536, 6055, 6328, 6920, 7910, 9040, 9688, 12110, 12656, 13840, 15820, 18080, 19376, 19549, 24220, 25312, 27680, 31640, 38752, 39098, 48440, 63280, 78196, 96880, 97745, 126560, 136843, 156392, 193760, 195490, 273686, 312784, 390980, 547372, 625568, 684215, 781960, 1094744, 1368430, 1563920, 2189488, 2736860, 3127840, 4378976, 5473720, 10947440, 21894880]

約数ペア:

[(1, 21894880), (2, 10947440), (4, 5473720), (5, 4378976), (7, 3127840), (8, 2736860), (10, 2189488), (14, 1563920), (16, 1368430), (20, 1094744), (28, 781960), (32, 684215), (35, 625568), (40, 547372), (56, 390980), (70, 312784), (80, 273686), (112, 195490), (113, 193760), (140, 156392), (160, 136843), (173, 126560), (224, 97745), (226, 96880), (280, 78196), (346, 63280), (452, 48440), (560, 39098), (565, 38752), (692, 31640), (791, 27680), (865, 25312), (904, 24220), (1120, 19549), (1130, 19376), (1211, 18080), (1384, 15820), (1582, 13840), (1730, 12656), (1808, 12110), (2260, 9688), (2422, 9040), (2768, 7910), (3164, 6920), (3460, 6328), (3616, 6055), (3955, 5536), (4520, 4844)]