386434540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{14323}}^1$

素因数の和:14422

約数の個数: 48

約数和(自身を含む): 866315520

約数和(自身を除く): 479880980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 14323, 26980, 28646, 57292, 71615, 143230, 272137, 286460, 544274, 1016933, 1088548, 1360685, 2033866, 2721370, 4067732, 5084665, 5442740, 10169330, 19321727, 20338660, 38643454, 77286908, 96608635, 193217270, 386434540]

約数ペア:

[(1, 386434540), (2, 193217270), (4, 96608635), (5, 77286908), (10, 38643454), (19, 20338660), (20, 19321727), (38, 10169330), (71, 5442740), (76, 5084665), (95, 4067732), (142, 2721370), (190, 2033866), (284, 1360685), (355, 1088548), (380, 1016933), (710, 544274), (1349, 286460), (1420, 272137), (2698, 143230), (5396, 71615), (6745, 57292), (13490, 28646), (14323, 26980)]