87456250

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 187488000

約数和(自身を除く): 100031750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 1999, 3125, 3998, 4375, 6250, 8750, 9995, 13993, 19990, 21875, 27986, 43750, 49975, 69965, 99950, 139930, 249875, 349825, 499750, 699650, 1249375, 1749125, 2498750, 3498250, 6246875, 8745625, 12493750, 17491250, 43728125, 87456250]

約数ペア:

[(1, 87456250), (2, 43728125), (5, 17491250), (7, 12493750), (10, 8745625), (14, 6246875), (25, 3498250), (35, 2498750), (50, 1749125), (70, 1249375), (125, 699650), (175, 499750), (250, 349825), (350, 249875), (625, 139930), (875, 99950), (1250, 69965), (1750, 49975), (1999, 43750), (3125, 27986), (3998, 21875), (4375, 19990), (6250, 13993), (8750, 9995)]