1352895740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{19843}}^1$

素因数の和:20346

約数の個数: 48

約数和(自身を含む): 3253780992

約数和(自身を除く): 1900885252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1948, 2435, 3409, 4870, 6818, 9740, 13636, 17045, 19843, 34090, 39686, 68180, 79372, 99215, 138901, 198430, 277802, 396860, 555604, 694505, 1389010, 2778020, 9663541, 19327082, 38654164, 48317705, 67644787, 96635410, 135289574, 193270820, 270579148, 338223935, 676447870, 1352895740]

約数ペア:

[(1, 1352895740), (2, 676447870), (4, 338223935), (5, 270579148), (7, 193270820), (10, 135289574), (14, 96635410), (20, 67644787), (28, 48317705), (35, 38654164), (70, 19327082), (140, 9663541), (487, 2778020), (974, 1389010), (1948, 694505), (2435, 555604), (3409, 396860), (4870, 277802), (6818, 198430), (9740, 138901), (13636, 99215), (17045, 79372), (19843, 68180), (34090, 39686)]