990097930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{6841}}^1$

素因数の和:7242

約数の個数: 32

約数和(自身を含む): 1831083408

約数和(自身を除く): 840985478

約数列:

[1, 2, 5, 10, 41, 82, 205, 353, 410, 706, 1765, 3530, 6841, 13682, 14473, 28946, 34205, 68410, 72365, 144730, 280481, 560962, 1402405, 2414873, 2804810, 4829746, 12074365, 24148730, 99009793, 198019586, 495048965, 990097930]

約数ペア:

[(1, 990097930), (2, 495048965), (5, 198019586), (10, 99009793), (41, 24148730), (82, 12074365), (205, 4829746), (353, 2804810), (410, 2414873), (706, 1402405), (1765, 560962), (3530, 280481), (6841, 144730), (13682, 72365), (14473, 68410), (28946, 34205)]