388170748

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 810819072

約数和(自身を除く): 422648324

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 107, 166, 196, 214, 223, 332, 428, 446, 581, 749, 892, 1162, 1498, 1561, 2324, 2996, 3122, 4067, 5243, 6244, 8134, 8881, 10486, 10927, 16268, 17762, 18509, 20972, 21854, 23861, 35524, 37018, 43708, 47722, 62167, 74036, 95444, 124334, 129563, 167027, 248668, 259126, 334054, 435169, 518252, 668108, 870338, 906941, 1169189, 1740676, 1813882, 1980463, 2338378, 3627764, 3960926, 4676756, 7921852, 13863241, 27726482, 55452964, 97042687, 194085374, 388170748]

約数ペア:

[(1, 388170748), (2, 194085374), (4, 97042687), (7, 55452964), (14, 27726482), (28, 13863241), (49, 7921852), (83, 4676756), (98, 3960926), (107, 3627764), (166, 2338378), (196, 1980463), (214, 1813882), (223, 1740676), (332, 1169189), (428, 906941), (446, 870338), (581, 668108), (749, 518252), (892, 435169), (1162, 334054), (1498, 259126), (1561, 248668), (2324, 167027), (2996, 129563), (3122, 124334), (4067, 95444), (5243, 74036), (6244, 62167), (8134, 47722), (8881, 43708), (10486, 37018), (10927, 35524), (16268, 23861), (17762, 21854), (18509, 20972)]