388049140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1141321}}^1$

素因数の和:1141347

約数の個数: 24

約数和(自身を含む): 862839432

約数和(自身を除く): 474790292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1141321, 2282642, 4565284, 5706605, 11413210, 19402457, 22826420, 38804914, 77609828, 97012285, 194024570, 388049140]

約数ペア:

[(1, 388049140), (2, 194024570), (4, 97012285), (5, 77609828), (10, 38804914), (17, 22826420), (20, 19402457), (34, 11413210), (68, 5706605), (85, 4565284), (170, 2282642), (340, 1141321)]