199870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 414720

約数和(自身を除く): 214850

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 79, 110, 115, 158, 230, 253, 395, 506, 790, 869, 1265, 1738, 1817, 2530, 3634, 4345, 8690, 9085, 18170, 19987, 39974, 99935, 199870]

約数ペア:

[(1, 199870), (2, 99935), (5, 39974), (10, 19987), (11, 18170), (22, 9085), (23, 8690), (46, 4345), (55, 3634), (79, 2530), (110, 1817), (115, 1738), (158, 1265), (230, 869), (253, 790), (395, 506)]