171837140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{19661}}^1$

素因数の和:19712

約数の個数: 48

約数和(自身を含む): 396385920

約数和(自身を除く): 224548780

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, 19661, 39322, 78644, 98305, 196610, 373559, 393220, 452203, 747118, 904406, 1494236, 1808812, 1867795, 2261015, 3735590, 4522030, 7471180, 8591857, 9044060, 17183714, 34367428, 42959285, 85918570, 171837140]

約数ペア:

[(1, 171837140), (2, 85918570), (4, 42959285), (5, 34367428), (10, 17183714), (19, 9044060), (20, 8591857), (23, 7471180), (38, 4522030), (46, 3735590), (76, 2261015), (92, 1867795), (95, 1808812), (115, 1494236), (190, 904406), (230, 747118), (380, 452203), (437, 393220), (460, 373559), (874, 196610), (1748, 98305), (2185, 78644), (4370, 39322), (8740, 19661)]