30491656

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 65221200

約数和(自身を除く): 34729544

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 988, 1187, 1352, 1976, 2374, 3211, 4748, 6422, 9496, 12844, 15431, 22553, 25688, 30862, 45106, 61724, 90212, 123448, 180424, 200603, 293189, 401206, 586378, 802412, 1172756, 1604824, 2345512, 3811457, 7622914, 15245828, 30491656]

約数ペア:

[(1, 30491656), (2, 15245828), (4, 7622914), (8, 3811457), (13, 2345512), (19, 1604824), (26, 1172756), (38, 802412), (52, 586378), (76, 401206), (104, 293189), (152, 200603), (169, 180424), (247, 123448), (338, 90212), (494, 61724), (676, 45106), (988, 30862), (1187, 25688), (1352, 22553), (1976, 15431), (2374, 12844), (3211, 9496), (4748, 6422)]