890274428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 1676505600

約数和(自身を除く): 786231172

約数列:

[1, 2, 4, 17, 34, 68, 131, 139, 262, 278, 524, 556, 719, 1438, 2227, 2363, 2876, 4454, 4726, 8908, 9452, 12223, 18209, 24446, 36418, 48892, 72836, 94189, 99941, 188378, 199882, 309553, 376756, 399764, 619106, 1238212, 1601213, 1698997, 3202426, 3397994, 6404852, 6795988, 13092271, 26184542, 52369084, 222568607, 445137214, 890274428]

約数ペア:

[(1, 890274428), (2, 445137214), (4, 222568607), (17, 52369084), (34, 26184542), (68, 13092271), (131, 6795988), (139, 6404852), (262, 3397994), (278, 3202426), (524, 1698997), (556, 1601213), (719, 1238212), (1438, 619106), (2227, 399764), (2363, 376756), (2876, 309553), (4454, 199882), (4726, 188378), (8908, 99941), (9452, 94189), (12223, 72836), (18209, 48892), (24446, 36418)]