189989968

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 459589632

約数和(自身を除く): 269599664

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 56, 74, 76, 112, 127, 133, 148, 152, 254, 259, 266, 296, 304, 361, 508, 518, 532, 592, 703, 722, 889, 1016, 1036, 1064, 1406, 1444, 1778, 2032, 2072, 2128, 2413, 2527, 2812, 2888, 3556, 4144, 4699, 4826, 4921, 5054, 5624, 5776, 7112, 9398, 9652, 9842, 10108, 11248, 13357, 14224, 16891, 18796, 19304, 19684, 20216, 26714, 32893, 33782, 37592, 38608, 39368, 40432, 45847, 53428, 65786, 67564, 75184, 78736, 89281, 91694, 93499, 106856, 131572, 135128, 178562, 183388, 186998, 213712, 263144, 270256, 320929, 357124, 366776, 373996, 526288, 624967, 641858, 714248, 733552, 747992, 1249934, 1283716, 1428496, 1495984, 1696339, 2499868, 2567432, 3392678, 4999736, 5134864, 6785356, 9999472, 11874373, 13570712, 23748746, 27141424, 47497492, 94994984, 189989968]

約数ペア:

[(1, 189989968), (2, 94994984), (4, 47497492), (7, 27141424), (8, 23748746), (14, 13570712), (16, 11874373), (19, 9999472), (28, 6785356), (37, 5134864), (38, 4999736), (56, 3392678), (74, 2567432), (76, 2499868), (112, 1696339), (127, 1495984), (133, 1428496), (148, 1283716), (152, 1249934), (254, 747992), (259, 733552), (266, 714248), (296, 641858), (304, 624967), (361, 526288), (508, 373996), (518, 366776), (532, 357124), (592, 320929), (703, 270256), (722, 263144), (889, 213712), (1016, 186998), (1036, 183388), (1064, 178562), (1406, 135128), (1444, 131572), (1778, 106856), (2032, 93499), (2072, 91694), (2128, 89281), (2413, 78736), (2527, 75184), (2812, 67564), (2888, 65786), (3556, 53428), (4144, 45847), (4699, 40432), (4826, 39368), (4921, 38608), (5054, 37592), (5624, 33782), (5776, 32893), (7112, 26714), (9398, 20216), (9652, 19684), (9842, 19304), (10108, 18796), (11248, 16891), (13357, 14224)]