238840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{853}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 614880

約数和(自身を除く): 376040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 853, 1706, 3412, 4265, 5971, 6824, 8530, 11942, 17060, 23884, 29855, 34120, 47768, 59710, 119420, 238840]

約数ペア:

[(1, 238840), (2, 119420), (4, 59710), (5, 47768), (7, 34120), (8, 29855), (10, 23884), (14, 17060), (20, 11942), (28, 8530), (35, 6824), (40, 5971), (56, 4265), (70, 3412), (140, 1706), (280, 853)]