71327140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8161}}^1$

素因数の和:8212

約数の個数: 48

約数和(自身を含む): 164545920

約数和(自身を除く): 93218780

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, 8161, 8740, 16322, 32644, 40805, 81610, 155059, 163220, 187703, 310118, 375406, 620236, 750812, 775295, 938515, 1550590, 1877030, 3101180, 3566357, 3754060, 7132714, 14265428, 17831785, 35663570, 71327140]

約数ペア:

[(1, 71327140), (2, 35663570), (4, 17831785), (5, 14265428), (10, 7132714), (19, 3754060), (20, 3566357), (23, 3101180), (38, 1877030), (46, 1550590), (76, 938515), (92, 775295), (95, 750812), (115, 620236), (190, 375406), (230, 310118), (380, 187703), (437, 163220), (460, 155059), (874, 81610), (1748, 40805), (2185, 32644), (4370, 16322), (8161, 8740)]