129121160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{461147}}^1$

素因数の和:461165

約数の個数: 32

約数和(自身を含む): 332026560

約数和(自身を除く): 202905400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 461147, 922294, 1844588, 2305735, 3228029, 3689176, 4611470, 6456058, 9222940, 12912116, 16140145, 18445880, 25824232, 32280290, 64560580, 129121160]

約数ペア:

[(1, 129121160), (2, 64560580), (4, 32280290), (5, 25824232), (7, 18445880), (8, 16140145), (10, 12912116), (14, 9222940), (20, 6456058), (28, 4611470), (35, 3689176), (40, 3228029), (56, 2305735), (70, 1844588), (140, 922294), (280, 461147)]