385199025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 684313344

約数和(自身を除く): 299114319

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 197, 435, 465, 591, 725, 775, 841, 899, 985, 2175, 2325, 2523, 2697, 2955, 4205, 4495, 4925, 5713, 6107, 12615, 13485, 14775, 17139, 18321, 21025, 22475, 26071, 28565, 30535, 63075, 67425, 78213, 85695, 91605, 130355, 142825, 152675, 165677, 177103, 391065, 428475, 458025, 497031, 531309, 651775, 828385, 885515, 1955325, 2485155, 2656545, 4141925, 4427575, 5135987, 12425775, 13282725, 15407961, 25679935, 77039805, 128399675, 385199025]

約数ペア:

[(1, 385199025), (3, 128399675), (5, 77039805), (15, 25679935), (25, 15407961), (29, 13282725), (31, 12425775), (75, 5135987), (87, 4427575), (93, 4141925), (145, 2656545), (155, 2485155), (197, 1955325), (435, 885515), (465, 828385), (591, 651775), (725, 531309), (775, 497031), (841, 458025), (899, 428475), (985, 391065), (2175, 177103), (2325, 165677), (2523, 152675), (2697, 142825), (2955, 130355), (4205, 91605), (4495, 85695), (4925, 78213), (5713, 67425), (6107, 63075), (12615, 30535), (13485, 28565), (14775, 26071), (17139, 22475), (18321, 21025)]