1671880

素因数分解:

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

素因数の和:878

約数の個数: 48

約数和(自身を含む): 4381020

約数和(自身を除く): 2709140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 853, 980, 1706, 1960, 3412, 4265, 5971, 6824, 8530, 11942, 17060, 23884, 29855, 34120, 41797, 47768, 59710, 83594, 119420, 167188, 208985, 238840, 334376, 417970, 835940, 1671880]

約数ペア:

[(1, 1671880), (2, 835940), (4, 417970), (5, 334376), (7, 238840), (8, 208985), (10, 167188), (14, 119420), (20, 83594), (28, 59710), (35, 47768), (40, 41797), (49, 34120), (56, 29855), (70, 23884), (98, 17060), (140, 11942), (196, 8530), (245, 6824), (280, 5971), (392, 4265), (490, 3412), (853, 1960), (980, 1706)]