313664620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6637}}^1$

素因数の和:6802

約数の個数: 48

約数和(自身を含む): 702565920

約数和(自身を除く): 388901300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 6637, 9452, 11815, 13274, 23630, 26548, 33185, 47260, 66370, 112829, 132740, 225658, 451316, 564145, 922543, 1128290, 1845086, 2256580, 3690172, 4612715, 9225430, 15683231, 18450860, 31366462, 62732924, 78416155, 156832310, 313664620]

約数ペア:

[(1, 313664620), (2, 156832310), (4, 78416155), (5, 62732924), (10, 31366462), (17, 18450860), (20, 15683231), (34, 9225430), (68, 4612715), (85, 3690172), (139, 2256580), (170, 1845086), (278, 1128290), (340, 922543), (556, 564145), (695, 451316), (1390, 225658), (2363, 132740), (2780, 112829), (4726, 66370), (6637, 47260), (9452, 33185), (11815, 26548), (13274, 23630)]