42989240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{153533}}^1$

素因数の和:153551

約数の個数: 32

約数和(自身を含む): 110544480

約数和(自身を除く): 67555240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 153533, 307066, 614132, 767665, 1074731, 1228264, 1535330, 2149462, 3070660, 4298924, 5373655, 6141320, 8597848, 10747310, 21494620, 42989240]

約数ペア:

[(1, 42989240), (2, 21494620), (4, 10747310), (5, 8597848), (7, 6141320), (8, 5373655), (10, 4298924), (14, 3070660), (20, 2149462), (28, 1535330), (35, 1228264), (40, 1074731), (56, 767665), (70, 614132), (140, 307066), (280, 153533)]