2485710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 6570720

約数和(自身を除く): 4085010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 389, 426, 639, 710, 778, 1065, 1167, 1278, 1945, 2130, 2334, 3195, 3501, 3890, 5835, 6390, 7002, 11670, 17505, 27619, 35010, 55238, 82857, 138095, 165714, 248571, 276190, 414285, 497142, 828570, 1242855, 2485710]

約数ペア:

[(1, 2485710), (2, 1242855), (3, 828570), (5, 497142), (6, 414285), (9, 276190), (10, 248571), (15, 165714), (18, 138095), (30, 82857), (45, 55238), (71, 35010), (90, 27619), (142, 17505), (213, 11670), (355, 7002), (389, 6390), (426, 5835), (639, 3890), (710, 3501), (778, 3195), (1065, 2334), (1167, 2130), (1278, 1945)]