123439428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 398361600

約数和(自身を除く): 274922172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 29, 36, 38, 42, 49, 57, 58, 63, 76, 84, 87, 98, 114, 116, 126, 127, 133, 147, 171, 174, 196, 203, 228, 252, 254, 261, 266, 294, 342, 348, 381, 399, 406, 441, 508, 522, 532, 551, 588, 609, 684, 762, 798, 812, 882, 889, 931, 1044, 1102, 1143, 1197, 1218, 1421, 1524, 1596, 1653, 1764, 1778, 1827, 1862, 2204, 2286, 2394, 2413, 2436, 2667, 2793, 2842, 3306, 3556, 3654, 3683, 3724, 3857, 4263, 4572, 4788, 4826, 4959, 5334, 5586, 5684, 6223, 6612, 7239, 7308, 7366, 7714, 8001, 8379, 8526, 9652, 9918, 10668, 11049, 11172, 11571, 12446, 12789, 14478, 14732, 15428, 16002, 16758, 16891, 17052, 18669, 19836, 21717, 22098, 23142, 24892, 25578, 25781, 26999, 28956, 32004, 33147, 33516, 33782, 34713, 37338, 43434, 44196, 46284, 50673, 51156, 51562, 53998, 56007, 66294, 67564, 69426, 69977, 74676, 77343, 80997, 86868, 101346, 103124, 107996, 112014, 118237, 132588, 138852, 139954, 152019, 154686, 161994, 180467, 202692, 209931, 224028, 232029, 236474, 242991, 279908, 304038, 309372, 323988, 354711, 360934, 419862, 464058, 472948, 485982, 489839, 541401, 608076, 629793, 709422, 721868, 839724, 928116, 971964, 979678, 1064133, 1082802, 1259586, 1418844, 1469517, 1624203, 1959356, 2128266, 2165604, 2519172, 2939034, 3248406, 3428873, 4256532, 4408551, 5878068, 6496812, 6857746, 8817102, 10286619, 13715492, 17634204, 20573238, 30859857, 41146476, 61719714, 123439428]

約数ペア:

[(1, 123439428), (2, 61719714), (3, 41146476), (4, 30859857), (6, 20573238), (7, 17634204), (9, 13715492), (12, 10286619), (14, 8817102), (18, 6857746), (19, 6496812), (21, 5878068), (28, 4408551), (29, 4256532), (36, 3428873), (38, 3248406), (42, 2939034), (49, 2519172), (57, 2165604), (58, 2128266), (63, 1959356), (76, 1624203), (84, 1469517), (87, 1418844), (98, 1259586), (114, 1082802), (116, 1064133), (126, 979678), (127, 971964), (133, 928116), (147, 839724), (171, 721868), (174, 709422), (196, 629793), (203, 608076), (228, 541401), (252, 489839), (254, 485982), (261, 472948), (266, 464058), (294, 419862), (342, 360934), (348, 354711), (381, 323988), (399, 309372), (406, 304038), (441, 279908), (508, 242991), (522, 236474), (532, 232029), (551, 224028), (588, 209931), (609, 202692), (684, 180467), (762, 161994), (798, 154686), (812, 152019), (882, 139954), (889, 138852), (931, 132588), (1044, 118237), (1102, 112014), (1143, 107996), (1197, 103124), (1218, 101346), (1421, 86868), (1524, 80997), (1596, 77343), (1653, 74676), (1764, 69977), (1778, 69426), (1827, 67564), (1862, 66294), (2204, 56007), (2286, 53998), (2394, 51562), (2413, 51156), (2436, 50673), (2667, 46284), (2793, 44196), (2842, 43434), (3306, 37338), (3556, 34713), (3654, 33782), (3683, 33516), (3724, 33147), (3857, 32004), (4263, 28956), (4572, 26999), (4788, 25781), (4826, 25578), (4959, 24892), (5334, 23142), (5586, 22098), (5684, 21717), (6223, 19836), (6612, 18669), (7239, 17052), (7308, 16891), (7366, 16758), (7714, 16002), (8001, 15428), (8379, 14732), (8526, 14478), (9652, 12789), (9918, 12446), (10668, 11571), (11049, 11172)]