339157060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21713}}^1$

素因数の和:21804

約数の個数: 48

約数和(自身を含む): 787957632

約数和(自身を除く): 448800572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 21713, 43426, 86852, 108565, 217130, 238843, 434260, 477686, 955372, 1194215, 1541623, 2388430, 3083246, 4776860, 6166492, 7708115, 15416230, 16957853, 30832460, 33915706, 67831412, 84789265, 169578530, 339157060]

約数ペア:

[(1, 339157060), (2, 169578530), (4, 84789265), (5, 67831412), (10, 33915706), (11, 30832460), (20, 16957853), (22, 15416230), (44, 7708115), (55, 6166492), (71, 4776860), (110, 3083246), (142, 2388430), (220, 1541623), (284, 1194215), (355, 955372), (710, 477686), (781, 434260), (1420, 238843), (1562, 217130), (3124, 108565), (3905, 86852), (7810, 43426), (15620, 21713)]