397730470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137623}}^1$

素因数の和:137664

約数の個数: 24

約数和(自身を含む): 760510224

約数和(自身を除く): 362779754

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 137623, 275246, 688115, 1376230, 2339591, 4679182, 11697955, 23395910, 39773047, 79546094, 198865235, 397730470]

約数ペア:

[(1, 397730470), (2, 198865235), (5, 79546094), (10, 39773047), (17, 23395910), (34, 11697955), (85, 4679182), (170, 2339591), (289, 1376230), (578, 688115), (1445, 275246), (2890, 137623)]