128385250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{73363}}^1$

素因数の和:73387

約数の個数: 32

約数和(自身を含む): 274674816

約数和(自身を除く): 146289566

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 73363, 146726, 366815, 513541, 733630, 1027082, 1834075, 2567705, 3668150, 5135410, 9170375, 12838525, 18340750, 25677050, 64192625, 128385250]

約数ペア:

[(1, 128385250), (2, 64192625), (5, 25677050), (7, 18340750), (10, 12838525), (14, 9170375), (25, 5135410), (35, 3668150), (50, 2567705), (70, 1834075), (125, 1027082), (175, 733630), (250, 513541), (350, 366815), (875, 146726), (1750, 73363)]