159758240

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2861}}^1$

素因数の和:3225

約数の個数: 48

約数和(自身を含む): 378642600

約数和(自身を除く): 218884360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1396, 1745, 2792, 2861, 3490, 5584, 5722, 6980, 11168, 11444, 13960, 14305, 22888, 27920, 28610, 45776, 55840, 57220, 91552, 114440, 228880, 457760, 998489, 1996978, 3993956, 4992445, 7987912, 9984890, 15975824, 19969780, 31951648, 39939560, 79879120, 159758240]

約数ペア:

[(1, 159758240), (2, 79879120), (4, 39939560), (5, 31951648), (8, 19969780), (10, 15975824), (16, 9984890), (20, 7987912), (32, 4992445), (40, 3993956), (80, 1996978), (160, 998489), (349, 457760), (698, 228880), (1396, 114440), (1745, 91552), (2792, 57220), (2861, 55840), (3490, 45776), (5584, 28610), (5722, 27920), (6980, 22888), (11168, 14305), (11444, 13960)]