2986340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 7281792

約数和(自身を除く): 4295452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 257, 332, 415, 514, 581, 830, 1028, 1162, 1285, 1660, 1799, 2324, 2570, 2905, 3598, 5140, 5810, 7196, 8995, 11620, 17990, 21331, 35980, 42662, 85324, 106655, 149317, 213310, 298634, 426620, 597268, 746585, 1493170, 2986340]

約数ペア:

[(1, 2986340), (2, 1493170), (4, 746585), (5, 597268), (7, 426620), (10, 298634), (14, 213310), (20, 149317), (28, 106655), (35, 85324), (70, 42662), (83, 35980), (140, 21331), (166, 17990), (257, 11620), (332, 8995), (415, 7196), (514, 5810), (581, 5140), (830, 3598), (1028, 2905), (1162, 2570), (1285, 2324), (1660, 1799)]