222738040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{795493}}^1$

素因数の和:795511

約数の個数: 32

約数和(自身を含む): 572755680

約数和(自身を除く): 350017640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 795493, 1590986, 3181972, 3977465, 5568451, 6363944, 7954930, 11136902, 15909860, 22273804, 27842255, 31819720, 44547608, 55684510, 111369020, 222738040]

約数ペア:

[(1, 222738040), (2, 111369020), (4, 55684510), (5, 44547608), (7, 31819720), (8, 27842255), (10, 22273804), (14, 15909860), (20, 11136902), (28, 7954930), (35, 6363944), (40, 5568451), (56, 3977465), (70, 3181972), (140, 1590986), (280, 795493)]