161809060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67987}}^1$

素因数の和:68020

約数の個数: 48

約数和(自身を含む): 411191424

約数和(自身を除く): 249382364

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 67987, 135974, 271948, 339935, 475909, 679870, 951818, 1155779, 1359740, 1903636, 2311558, 2379545, 4623116, 4759090, 5778895, 8090453, 9518180, 11557790, 16180906, 23115580, 32361812, 40452265, 80904530, 161809060]

約数ペア:

[(1, 161809060), (2, 80904530), (4, 40452265), (5, 32361812), (7, 23115580), (10, 16180906), (14, 11557790), (17, 9518180), (20, 8090453), (28, 5778895), (34, 4759090), (35, 4623116), (68, 2379545), (70, 2311558), (85, 1903636), (119, 1359740), (140, 1155779), (170, 951818), (238, 679870), (340, 475909), (476, 339935), (595, 271948), (1190, 135974), (2380, 67987)]