3915580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 8759520

約数和(自身を除く): 4843940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 157, 172, 215, 290, 314, 430, 580, 628, 785, 860, 1247, 1570, 2494, 3140, 4553, 4988, 6235, 6751, 9106, 12470, 13502, 18212, 22765, 24940, 27004, 33755, 45530, 67510, 91060, 135020, 195779, 391558, 783116, 978895, 1957790, 3915580]

約数ペア:

[(1, 3915580), (2, 1957790), (4, 978895), (5, 783116), (10, 391558), (20, 195779), (29, 135020), (43, 91060), (58, 67510), (86, 45530), (116, 33755), (145, 27004), (157, 24940), (172, 22765), (215, 18212), (290, 13502), (314, 12470), (430, 9106), (580, 6751), (628, 6235), (785, 4988), (860, 4553), (1247, 3140), (1570, 2494)]