198887500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2309

約数の個数: 72

約数和(自身を含む): 497405664

約数和(自身を除く): 298518164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2273, 2500, 3125, 3500, 4375, 4546, 6250, 8750, 9092, 11365, 12500, 15911, 17500, 21875, 22730, 31822, 43750, 45460, 56825, 63644, 79555, 87500, 113650, 159110, 227300, 284125, 318220, 397775, 568250, 795550, 1136500, 1420625, 1591100, 1988875, 2841250, 3977750, 5682500, 7103125, 7955500, 9944375, 14206250, 19888750, 28412500, 39777500, 49721875, 99443750, 198887500]

約数ペア:

[(1, 198887500), (2, 99443750), (4, 49721875), (5, 39777500), (7, 28412500), (10, 19888750), (14, 14206250), (20, 9944375), (25, 7955500), (28, 7103125), (35, 5682500), (50, 3977750), (70, 2841250), (100, 1988875), (125, 1591100), (140, 1420625), (175, 1136500), (250, 795550), (350, 568250), (500, 397775), (625, 318220), (700, 284125), (875, 227300), (1250, 159110), (1750, 113650), (2273, 87500), (2500, 79555), (3125, 63644), (3500, 56825), (4375, 45460), (4546, 43750), (6250, 31822), (8750, 22730), (9092, 21875), (11365, 17500), (12500, 15911)]