816534820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{141269}}^1$

素因数の和:141312

約数の個数: 36

約数和(自身を含む): 1821535380

約数和(自身を除く): 1005000560

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 141269, 282538, 565076, 706345, 1412690, 2401573, 2825380, 4803146, 9606292, 12007865, 24015730, 40826741, 48031460, 81653482, 163306964, 204133705, 408267410, 816534820]

約数ペア:

[(1, 816534820), (2, 408267410), (4, 204133705), (5, 163306964), (10, 81653482), (17, 48031460), (20, 40826741), (34, 24015730), (68, 12007865), (85, 9606292), (170, 4803146), (289, 2825380), (340, 2401573), (578, 1412690), (1156, 706345), (1445, 565076), (2890, 282538), (5780, 141269)]