220170440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5657}}^1$

素因数の和:5814

約数の個数: 64

約数和(自身を含む): 570326400

約数和(自身を除く): 350155960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 5657, 7784, 9730, 11314, 19460, 22628, 28285, 38920, 39599, 45256, 56570, 79198, 113140, 158396, 197995, 226280, 316792, 395990, 786323, 791980, 1572646, 1583960, 3145292, 3931615, 5504261, 6290584, 7863230, 11008522, 15726460, 22017044, 27521305, 31452920, 44034088, 55042610, 110085220, 220170440]

約数ペア:

[(1, 220170440), (2, 110085220), (4, 55042610), (5, 44034088), (7, 31452920), (8, 27521305), (10, 22017044), (14, 15726460), (20, 11008522), (28, 7863230), (35, 6290584), (40, 5504261), (56, 3931615), (70, 3145292), (139, 1583960), (140, 1572646), (278, 791980), (280, 786323), (556, 395990), (695, 316792), (973, 226280), (1112, 197995), (1390, 158396), (1946, 113140), (2780, 79198), (3892, 56570), (4865, 45256), (5560, 39599), (5657, 38920), (7784, 28285), (9730, 22628), (11314, 19460)]