198955764

素因数分解:

$2^2\times 3^9\times 7^1\times {\mathrm{19}}^2$

素因数の和:76

約数の個数: 180

約数和(自身を含む): 629924064

約数和(自身を除く): 430968300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 243, 252, 266, 324, 342, 361, 378, 399, 486, 513, 532, 567, 684, 722, 729, 756, 798, 972, 1026, 1083, 1134, 1197, 1444, 1458, 1539, 1596, 1701, 2052, 2166, 2187, 2268, 2394, 2527, 2916, 3078, 3249, 3402, 3591, 4332, 4374, 4617, 4788, 5054, 5103, 6156, 6498, 6561, 6804, 7182, 7581, 8748, 9234, 9747, 10108, 10206, 10773, 12996, 13122, 13851, 14364, 15162, 15309, 18468, 19494, 19683, 20412, 21546, 22743, 26244, 27702, 29241, 30324, 30618, 32319, 38988, 39366, 41553, 43092, 45486, 45927, 55404, 58482, 61236, 64638, 68229, 78732, 83106, 87723, 90972, 91854, 96957, 116964, 124659, 129276, 136458, 137781, 166212, 175446, 183708, 193914, 204687, 249318, 263169, 272916, 275562, 290871, 350892, 373977, 387828, 409374, 498636, 526338, 551124, 581742, 614061, 747954, 789507, 818748, 872613, 1052676, 1163484, 1228122, 1495908, 1579014, 1745226, 1842183, 2368521, 2456244, 2617839, 3158028, 3490452, 3684366, 4737042, 5235678, 5526549, 7105563, 7368732, 9474084, 10471356, 11053098, 14211126, 16579647, 22106196, 28422252, 33159294, 49738941, 66318588, 99477882, 198955764]

約数ペア:

[(1, 198955764), (2, 99477882), (3, 66318588), (4, 49738941), (6, 33159294), (7, 28422252), (9, 22106196), (12, 16579647), (14, 14211126), (18, 11053098), (19, 10471356), (21, 9474084), (27, 7368732), (28, 7105563), (36, 5526549), (38, 5235678), (42, 4737042), (54, 3684366), (57, 3490452), (63, 3158028), (76, 2617839), (81, 2456244), (84, 2368521), (108, 1842183), (114, 1745226), (126, 1579014), (133, 1495908), (162, 1228122), (171, 1163484), (189, 1052676), (228, 872613), (243, 818748), (252, 789507), (266, 747954), (324, 614061), (342, 581742), (361, 551124), (378, 526338), (399, 498636), (486, 409374), (513, 387828), (532, 373977), (567, 350892), (684, 290871), (722, 275562), (729, 272916), (756, 263169), (798, 249318), (972, 204687), (1026, 193914), (1083, 183708), (1134, 175446), (1197, 166212), (1444, 137781), (1458, 136458), (1539, 129276), (1596, 124659), (1701, 116964), (2052, 96957), (2166, 91854), (2187, 90972), (2268, 87723), (2394, 83106), (2527, 78732), (2916, 68229), (3078, 64638), (3249, 61236), (3402, 58482), (3591, 55404), (4332, 45927), (4374, 45486), (4617, 43092), (4788, 41553), (5054, 39366), (5103, 38988), (6156, 32319), (6498, 30618), (6561, 30324), (6804, 29241), (7182, 27702), (7581, 26244), (8748, 22743), (9234, 21546), (9747, 20412), (10108, 19683), (10206, 19494), (10773, 18468), (12996, 15309), (13122, 15162), (13851, 14364)]