178533130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1801}}^1$

素因数の和:2262

約数の個数: 32

約数和(自身を含む): 336296448

約数和(自身を除く): 157763318

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 431, 862, 1801, 2155, 3602, 4310, 9005, 9913, 18010, 19826, 41423, 49565, 82846, 99130, 207115, 414230, 776231, 1552462, 3881155, 7762310, 17853313, 35706626, 89266565, 178533130]

約数ペア:

[(1, 178533130), (2, 89266565), (5, 35706626), (10, 17853313), (23, 7762310), (46, 3881155), (115, 1552462), (230, 776231), (431, 414230), (862, 207115), (1801, 99130), (2155, 82846), (3602, 49565), (4310, 41423), (9005, 19826), (9913, 18010)]