245395000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{2887}}^1$

素因数の和:2930

約数の個数: 80

約数和(自身を含む): 608992560

約数和(自身を除く): 363597560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 625, 680, 850, 1000, 1250, 1700, 2125, 2500, 2887, 3400, 4250, 5000, 5774, 8500, 10625, 11548, 14435, 17000, 21250, 23096, 28870, 42500, 49079, 57740, 72175, 85000, 98158, 115480, 144350, 196316, 245395, 288700, 360875, 392632, 490790, 577400, 721750, 981580, 1226975, 1443500, 1804375, 1963160, 2453950, 2887000, 3608750, 4907900, 6134875, 7217500, 9815800, 12269750, 14435000, 24539500, 30674375, 49079000, 61348750, 122697500, 245395000]

約数ペア:

[(1, 245395000), (2, 122697500), (4, 61348750), (5, 49079000), (8, 30674375), (10, 24539500), (17, 14435000), (20, 12269750), (25, 9815800), (34, 7217500), (40, 6134875), (50, 4907900), (68, 3608750), (85, 2887000), (100, 2453950), (125, 1963160), (136, 1804375), (170, 1443500), (200, 1226975), (250, 981580), (340, 721750), (425, 577400), (500, 490790), (625, 392632), (680, 360875), (850, 288700), (1000, 245395), (1250, 196316), (1700, 144350), (2125, 115480), (2500, 98158), (2887, 85000), (3400, 72175), (4250, 57740), (5000, 49079), (5774, 42500), (8500, 28870), (10625, 23096), (11548, 21250), (14435, 17000)]