261570260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{81233}}^1$

素因数の和:81272

約数の個数: 48

約数和(自身を含む): 655070976

約数和(自身を除く): 393500716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 81233, 162466, 324932, 406165, 568631, 812330, 1137262, 1624660, 1868359, 2274524, 2843155, 3736718, 5686310, 7473436, 9341795, 11372620, 13078513, 18683590, 26157026, 37367180, 52314052, 65392565, 130785130, 261570260]

約数ペア:

[(1, 261570260), (2, 130785130), (4, 65392565), (5, 52314052), (7, 37367180), (10, 26157026), (14, 18683590), (20, 13078513), (23, 11372620), (28, 9341795), (35, 7473436), (46, 5686310), (70, 3736718), (92, 2843155), (115, 2274524), (140, 1868359), (161, 1624660), (230, 1137262), (322, 812330), (460, 568631), (644, 406165), (805, 324932), (1610, 162466), (3220, 81233)]