139738340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43397}}^1$

素因数の和:43436

約数の個数: 48

約数和(自身を含む): 349961472

約数和(自身を除く): 210223132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 43397, 86794, 173588, 216985, 303779, 433970, 607558, 867940, 998131, 1215116, 1518895, 1996262, 3037790, 3992524, 4990655, 6075580, 6986917, 9981310, 13973834, 19962620, 27947668, 34934585, 69869170, 139738340]

約数ペア:

[(1, 139738340), (2, 69869170), (4, 34934585), (5, 27947668), (7, 19962620), (10, 13973834), (14, 9981310), (20, 6986917), (23, 6075580), (28, 4990655), (35, 3992524), (46, 3037790), (70, 1996262), (92, 1518895), (115, 1215116), (140, 998131), (161, 867940), (230, 607558), (322, 433970), (460, 303779), (644, 216985), (805, 173588), (1610, 86794), (3220, 43397)]