835940

素因数分解:

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

素因数の和:876

約数の個数: 36

約数和(自身を含む): 2044476

約数和(自身を除く): 1208536

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 853, 980, 1706, 3412, 4265, 5971, 8530, 11942, 17060, 23884, 29855, 41797, 59710, 83594, 119420, 167188, 208985, 417970, 835940]

約数ペア:

[(1, 835940), (2, 417970), (4, 208985), (5, 167188), (7, 119420), (10, 83594), (14, 59710), (20, 41797), (28, 29855), (35, 23884), (49, 17060), (70, 11942), (98, 8530), (140, 5971), (196, 4265), (245, 3412), (490, 1706), (853, 980)]