205587790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{3457}}^1$

素因数の和:3796

約数の個数: 32

約数和(自身を含む): 390892320

約数和(自身を除く): 185304530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 626, 1565, 3130, 3457, 5947, 6914, 11894, 17285, 29735, 34570, 59470, 65683, 131366, 328415, 656830, 1082041, 2164082, 5410205, 10820410, 20558779, 41117558, 102793895, 205587790]

約数ペア:

[(1, 205587790), (2, 102793895), (5, 41117558), (10, 20558779), (19, 10820410), (38, 5410205), (95, 2164082), (190, 1082041), (313, 656830), (626, 328415), (1565, 131366), (3130, 65683), (3457, 59470), (5947, 34570), (6914, 29735), (11894, 17285)]