1388405610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3491}}^1$

素因数の和:4001

約数の個数: 80

約数和(自身を含む): 3741943392

約数和(自身を除く): 2353537782

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 491, 810, 982, 1473, 2455, 2946, 3491, 4419, 4910, 6982, 7365, 8838, 10473, 13257, 14730, 17455, 20946, 22095, 26514, 31419, 34910, 39771, 44190, 52365, 62838, 66285, 79542, 94257, 104730, 132570, 157095, 188514, 198855, 282771, 314190, 397710, 471285, 565542, 942570, 1413855, 1714081, 2827710, 3428162, 5142243, 8570405, 10284486, 15426729, 17140810, 25711215, 30853458, 46280187, 51422430, 77133645, 92560374, 138840561, 154267290, 231400935, 277681122, 462801870, 694202805, 1388405610]

約数ペア:

[(1, 1388405610), (2, 694202805), (3, 462801870), (5, 277681122), (6, 231400935), (9, 154267290), (10, 138840561), (15, 92560374), (18, 77133645), (27, 51422430), (30, 46280187), (45, 30853458), (54, 25711215), (81, 17140810), (90, 15426729), (135, 10284486), (162, 8570405), (270, 5142243), (405, 3428162), (491, 2827710), (810, 1714081), (982, 1413855), (1473, 942570), (2455, 565542), (2946, 471285), (3491, 397710), (4419, 314190), (4910, 282771), (6982, 198855), (7365, 188514), (8838, 157095), (10473, 132570), (13257, 104730), (14730, 94257), (17455, 79542), (20946, 66285), (22095, 62838), (26514, 52365), (31419, 44190), (34910, 39771)]