205021250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{23431}}^1$

素因数の和:23460

約数の個数: 40

約数和(自身を含む): 439209408

約数和(自身を除く): 234188158

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 4375, 8750, 23431, 46862, 117155, 164017, 234310, 328034, 585775, 820085, 1171550, 1640170, 2928875, 4100425, 5857750, 8200850, 14644375, 20502125, 29288750, 41004250, 102510625, 205021250]

約数ペア:

[(1, 205021250), (2, 102510625), (5, 41004250), (7, 29288750), (10, 20502125), (14, 14644375), (25, 8200850), (35, 5857750), (50, 4100425), (70, 2928875), (125, 1640170), (175, 1171550), (250, 820085), (350, 585775), (625, 328034), (875, 234310), (1250, 164017), (1750, 117155), (4375, 46862), (8750, 23431)]