28070140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28643}}^1$

素因数の和:28666

約数の個数: 36

約数和(自身を含む): 68573736

約数和(自身を除く): 40503596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28643, 57286, 114572, 143215, 200501, 286430, 401002, 572860, 802004, 1002505, 1403507, 2005010, 2807014, 4010020, 5614028, 7017535, 14035070, 28070140]

約数ペア:

[(1, 28070140), (2, 14035070), (4, 7017535), (5, 5614028), (7, 4010020), (10, 2807014), (14, 2005010), (20, 1403507), (28, 1002505), (35, 802004), (49, 572860), (70, 401002), (98, 286430), (140, 200501), (196, 143215), (245, 114572), (490, 57286), (980, 28643)]