84437140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9661}}^1$

素因数の和:9712

約数の個数: 48

約数和(自身を含む): 194785920

約数和(自身を除く): 110348780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 9661, 19322, 38644, 48305, 96610, 183559, 193220, 222203, 367118, 444406, 734236, 888812, 917795, 1111015, 1835590, 2222030, 3671180, 4221857, 4444060, 8443714, 16887428, 21109285, 42218570, 84437140]

約数ペア:

[(1, 84437140), (2, 42218570), (4, 21109285), (5, 16887428), (10, 8443714), (19, 4444060), (20, 4221857), (23, 3671180), (38, 2222030), (46, 1835590), (76, 1111015), (92, 917795), (95, 888812), (115, 734236), (190, 444406), (230, 367118), (380, 222203), (437, 193220), (460, 183559), (874, 96610), (1748, 48305), (2185, 38644), (4370, 19322), (8740, 9661)]