138281290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{85889}}^1$

素因数の和:85926

約数の個数: 32

約数和(自身を含む): 296835840

約数和(自身を除く): 158554550

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 85889, 171778, 429445, 601223, 858890, 1202446, 1975447, 3006115, 3950894, 6012230, 9877235, 13828129, 19754470, 27656258, 69140645, 138281290]

約数ペア:

[(1, 138281290), (2, 69140645), (5, 27656258), (7, 19754470), (10, 13828129), (14, 9877235), (23, 6012230), (35, 3950894), (46, 3006115), (70, 1975447), (115, 1202446), (161, 858890), (230, 601223), (322, 429445), (805, 171778), (1610, 85889)]