397911528

素因数分解:

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

素因数の和:78

約数の個数: 240

約数和(自身を含む): 1349837280

約数和(自身を除く): 951925752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 81, 84, 108, 114, 126, 133, 152, 162, 168, 171, 189, 216, 228, 243, 252, 266, 324, 342, 361, 378, 399, 456, 486, 504, 513, 532, 567, 648, 684, 722, 729, 756, 798, 972, 1026, 1064, 1083, 1134, 1197, 1368, 1444, 1458, 1512, 1539, 1596, 1701, 1944, 2052, 2166, 2187, 2268, 2394, 2527, 2888, 2916, 3078, 3192, 3249, 3402, 3591, 4104, 4332, 4374, 4536, 4617, 4788, 5054, 5103, 5832, 6156, 6498, 6561, 6804, 7182, 7581, 8664, 8748, 9234, 9576, 9747, 10108, 10206, 10773, 12312, 12996, 13122, 13608, 13851, 14364, 15162, 15309, 17496, 18468, 19494, 19683, 20216, 20412, 21546, 22743, 25992, 26244, 27702, 28728, 29241, 30324, 30618, 32319, 36936, 38988, 39366, 40824, 41553, 43092, 45486, 45927, 52488, 55404, 58482, 60648, 61236, 64638, 68229, 77976, 78732, 83106, 86184, 87723, 90972, 91854, 96957, 110808, 116964, 122472, 124659, 129276, 136458, 137781, 157464, 166212, 175446, 181944, 183708, 193914, 204687, 233928, 249318, 258552, 263169, 272916, 275562, 290871, 332424, 350892, 367416, 373977, 387828, 409374, 498636, 526338, 545832, 551124, 581742, 614061, 701784, 747954, 775656, 789507, 818748, 872613, 997272, 1052676, 1102248, 1163484, 1228122, 1495908, 1579014, 1637496, 1745226, 1842183, 2105352, 2326968, 2368521, 2456244, 2617839, 2991816, 3158028, 3490452, 3684366, 4737042, 4912488, 5235678, 5526549, 6316056, 6980904, 7105563, 7368732, 9474084, 10471356, 11053098, 14211126, 14737464, 16579647, 18948168, 20942712, 22106196, 28422252, 33159294, 44212392, 49738941, 56844504, 66318588, 99477882, 132637176, 198955764, 397911528]

約数ペア:

[(1, 397911528), (2, 198955764), (3, 132637176), (4, 99477882), (6, 66318588), (7, 56844504), (8, 49738941), (9, 44212392), (12, 33159294), (14, 28422252), (18, 22106196), (19, 20942712), (21, 18948168), (24, 16579647), (27, 14737464), (28, 14211126), (36, 11053098), (38, 10471356), (42, 9474084), (54, 7368732), (56, 7105563), (57, 6980904), (63, 6316056), (72, 5526549), (76, 5235678), (81, 4912488), (84, 4737042), (108, 3684366), (114, 3490452), (126, 3158028), (133, 2991816), (152, 2617839), (162, 2456244), (168, 2368521), (171, 2326968), (189, 2105352), (216, 1842183), (228, 1745226), (243, 1637496), (252, 1579014), (266, 1495908), (324, 1228122), (342, 1163484), (361, 1102248), (378, 1052676), (399, 997272), (456, 872613), (486, 818748), (504, 789507), (513, 775656), (532, 747954), (567, 701784), (648, 614061), (684, 581742), (722, 551124), (729, 545832), (756, 526338), (798, 498636), (972, 409374), (1026, 387828), (1064, 373977), (1083, 367416), (1134, 350892), (1197, 332424), (1368, 290871), (1444, 275562), (1458, 272916), (1512, 263169), (1539, 258552), (1596, 249318), (1701, 233928), (1944, 204687), (2052, 193914), (2166, 183708), (2187, 181944), (2268, 175446), (2394, 166212), (2527, 157464), (2888, 137781), (2916, 136458), (3078, 129276), (3192, 124659), (3249, 122472), (3402, 116964), (3591, 110808), (4104, 96957), (4332, 91854), (4374, 90972), (4536, 87723), (4617, 86184), (4788, 83106), (5054, 78732), (5103, 77976), (5832, 68229), (6156, 64638), (6498, 61236), (6561, 60648), (6804, 58482), (7182, 55404), (7581, 52488), (8664, 45927), (8748, 45486), (9234, 43092), (9576, 41553), (9747, 40824), (10108, 39366), (10206, 38988), (10773, 36936), (12312, 32319), (12996, 30618), (13122, 30324), (13608, 29241), (13851, 28728), (14364, 27702), (15162, 26244), (15309, 25992), (17496, 22743), (18468, 21546), (19494, 20412), (19683, 20216)]