128857670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{7309}}^1$

素因数の和:7400

約数の個数: 32

約数和(自身を含む): 243159840

約数和(自身を除く): 114302170

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1763, 3526, 7309, 8815, 14618, 17630, 36545, 73090, 299669, 314287, 599338, 628574, 1498345, 1571435, 2996690, 3142870, 12885767, 25771534, 64428835, 128857670]

約数ペア:

[(1, 128857670), (2, 64428835), (5, 25771534), (10, 12885767), (41, 3142870), (43, 2996690), (82, 1571435), (86, 1498345), (205, 628574), (215, 599338), (410, 314287), (430, 299669), (1763, 73090), (3526, 36545), (7309, 17630), (8815, 14618)]