246995560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5099}}^1$

素因数の和:5290

約数の個数: 64

約数和(自身を含む): 638928000

約数和(自身を除く): 391932440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 3460, 4844, 5099, 6055, 6920, 9688, 10198, 12110, 20396, 24220, 25495, 35693, 40792, 48440, 50990, 71386, 101980, 142772, 178465, 203960, 285544, 356930, 713860, 882127, 1427720, 1764254, 3528508, 4410635, 6174889, 7057016, 8821270, 12349778, 17642540, 24699556, 30874445, 35285080, 49399112, 61748890, 123497780, 246995560]

約数ペア:

[(1, 246995560), (2, 123497780), (4, 61748890), (5, 49399112), (7, 35285080), (8, 30874445), (10, 24699556), (14, 17642540), (20, 12349778), (28, 8821270), (35, 7057016), (40, 6174889), (56, 4410635), (70, 3528508), (140, 1764254), (173, 1427720), (280, 882127), (346, 713860), (692, 356930), (865, 285544), (1211, 203960), (1384, 178465), (1730, 142772), (2422, 101980), (3460, 71386), (4844, 50990), (5099, 48440), (6055, 40792), (6920, 35693), (9688, 25495), (10198, 24220), (12110, 20396)]