307866940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{905491}}^1$

素因数の和:905517

約数の個数: 24

約数和(自身を含む): 684551952

約数和(自身を除く): 376685012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 905491, 1810982, 3621964, 4527455, 9054910, 15393347, 18109820, 30786694, 61573388, 76966735, 153933470, 307866940]

約数ペア:

[(1, 307866940), (2, 153933470), (4, 76966735), (5, 61573388), (10, 30786694), (17, 18109820), (20, 15393347), (34, 9054910), (68, 4527455), (85, 3621964), (170, 1810982), (340, 905491)]