738646940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2172491}}^1$

素因数の和:2172517

約数の個数: 24

約数和(自身を含む): 1642403952

約数和(自身を除く): 903757012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2172491, 4344982, 8689964, 10862455, 21724910, 36932347, 43449820, 73864694, 147729388, 184661735, 369323470, 738646940]

約数ペア:

[(1, 738646940), (2, 369323470), (4, 184661735), (5, 147729388), (10, 73864694), (17, 43449820), (20, 36932347), (34, 21724910), (68, 10862455), (85, 8689964), (170, 4344982), (340, 2172491)]