238280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 656640

約数和(自身を除く): 418360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 370, 460, 518, 644, 740, 805, 851, 920, 1036, 1288, 1295, 1480, 1610, 1702, 2072, 2590, 3220, 3404, 4255, 5180, 5957, 6440, 6808, 8510, 10360, 11914, 17020, 23828, 29785, 34040, 47656, 59570, 119140, 238280]

約数ペア:

[(1, 238280), (2, 119140), (4, 59570), (5, 47656), (7, 34040), (8, 29785), (10, 23828), (14, 17020), (20, 11914), (23, 10360), (28, 8510), (35, 6808), (37, 6440), (40, 5957), (46, 5180), (56, 4255), (70, 3404), (74, 3220), (92, 2590), (115, 2072), (140, 1702), (148, 1610), (161, 1480), (184, 1295), (185, 1288), (230, 1036), (259, 920), (280, 851), (296, 805), (322, 740), (370, 644), (460, 518)]