19888750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2302

約数の個数: 40

約数和(自身を含む): 42623856

約数和(自身を除く): 22735106

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2273, 4375, 4546, 8750, 11365, 15911, 22730, 31822, 56825, 79555, 113650, 159110, 284125, 397775, 568250, 795550, 1420625, 1988875, 2841250, 3977750, 9944375, 19888750]

約数ペア:

[(1, 19888750), (2, 9944375), (5, 3977750), (7, 2841250), (10, 1988875), (14, 1420625), (25, 795550), (35, 568250), (50, 397775), (70, 284125), (125, 159110), (175, 113650), (250, 79555), (350, 56825), (625, 31822), (875, 22730), (1250, 15911), (1750, 11365), (2273, 8750), (4375, 4546)]