72638140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8311}}^1$

素因数の和:8362

約数の個数: 48

約数和(自身を含む): 167569920

約数和(自身を除く): 94931780

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, 8311, 8740, 16622, 33244, 41555, 83110, 157909, 166220, 191153, 315818, 382306, 631636, 764612, 789545, 955765, 1579090, 1911530, 3158180, 3631907, 3823060, 7263814, 14527628, 18159535, 36319070, 72638140]

約数ペア:

[(1, 72638140), (2, 36319070), (4, 18159535), (5, 14527628), (10, 7263814), (19, 3823060), (20, 3631907), (23, 3158180), (38, 1911530), (46, 1579090), (76, 955765), (92, 789545), (95, 764612), (115, 631636), (190, 382306), (230, 315818), (380, 191153), (437, 166220), (460, 157909), (874, 83110), (1748, 41555), (2185, 33244), (4370, 16622), (8311, 8740)]