78224740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8269}}^1$

素因数の和:8332

約数の個数: 48

約数和(自身を含む): 183395520

約数和(自身を除く): 105170780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8269, 9460, 16538, 33076, 41345, 82690, 90959, 165380, 181918, 355567, 363836, 454795, 711134, 909590, 1422268, 1777835, 1819180, 3555670, 3911237, 7111340, 7822474, 15644948, 19556185, 39112370, 78224740]

約数ペア:

[(1, 78224740), (2, 39112370), (4, 19556185), (5, 15644948), (10, 7822474), (11, 7111340), (20, 3911237), (22, 3555670), (43, 1819180), (44, 1777835), (55, 1422268), (86, 909590), (110, 711134), (172, 454795), (215, 363836), (220, 355567), (430, 181918), (473, 165380), (860, 90959), (946, 82690), (1892, 41345), (2365, 33076), (4730, 16538), (8269, 9460)]