138968540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{24043}}^1$

素因数の和:24086

約数の個数: 36

約数和(自身を含む): 310023336

約数和(自身を除く): 171054796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 24043, 48086, 96172, 120215, 240430, 408731, 480860, 817462, 1634924, 2043655, 4087310, 6948427, 8174620, 13896854, 27793708, 34742135, 69484270, 138968540]

約数ペア:

[(1, 138968540), (2, 69484270), (4, 34742135), (5, 27793708), (10, 13896854), (17, 8174620), (20, 6948427), (34, 4087310), (68, 2043655), (85, 1634924), (170, 817462), (289, 480860), (340, 408731), (578, 240430), (1156, 120215), (1445, 96172), (2890, 48086), (5780, 24043)]