388544775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 734595840

約数和(自身を除く): 346051065

約数列:

[1, 3, 5, 15, 17, 19, 25, 43, 51, 57, 75, 85, 95, 129, 215, 255, 285, 323, 373, 425, 475, 645, 731, 817, 969, 1075, 1119, 1275, 1425, 1615, 1865, 2193, 2451, 3225, 3655, 4085, 4845, 5595, 6341, 7087, 8075, 9325, 10965, 12255, 13889, 16039, 18275, 19023, 20425, 21261, 24225, 27975, 31705, 35435, 41667, 48117, 54825, 61275, 69445, 80195, 95115, 106305, 120479, 158525, 177175, 208335, 240585, 272663, 304741, 347225, 361437, 400975, 475575, 531525, 602395, 817989, 914223, 1041675, 1202925, 1363315, 1523705, 1807185, 3011975, 4089945, 4571115, 5180597, 6816575, 7618525, 9035925, 15541791, 20449725, 22855575, 25902985, 77708955, 129514925, 388544775]

約数ペア:

[(1, 388544775), (3, 129514925), (5, 77708955), (15, 25902985), (17, 22855575), (19, 20449725), (25, 15541791), (43, 9035925), (51, 7618525), (57, 6816575), (75, 5180597), (85, 4571115), (95, 4089945), (129, 3011975), (215, 1807185), (255, 1523705), (285, 1363315), (323, 1202925), (373, 1041675), (425, 914223), (475, 817989), (645, 602395), (731, 531525), (817, 475575), (969, 400975), (1075, 361437), (1119, 347225), (1275, 304741), (1425, 272663), (1615, 240585), (1865, 208335), (2193, 177175), (2451, 158525), (3225, 120479), (3655, 106305), (4085, 95115), (4845, 80195), (5595, 69445), (6341, 61275), (7087, 54825), (8075, 48117), (9325, 41667), (10965, 35435), (12255, 31705), (13889, 27975), (16039, 24225), (18275, 21261), (19023, 20425)]