28177590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 78059520

約数和(自身を除く): 49881930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 1090, 1231, 1526, 1635, 2289, 2462, 3270, 3693, 3815, 4578, 6155, 7386, 7630, 8617, 11445, 12310, 17234, 18465, 22890, 25851, 36930, 43085, 51702, 86170, 129255, 134179, 258510, 268358, 402537, 670895, 805074, 939253, 1341790, 1878506, 2012685, 2817759, 4025370, 4696265, 5635518, 9392530, 14088795, 28177590]

約数ペア:

[(1, 28177590), (2, 14088795), (3, 9392530), (5, 5635518), (6, 4696265), (7, 4025370), (10, 2817759), (14, 2012685), (15, 1878506), (21, 1341790), (30, 939253), (35, 805074), (42, 670895), (70, 402537), (105, 268358), (109, 258510), (210, 134179), (218, 129255), (327, 86170), (545, 51702), (654, 43085), (763, 36930), (1090, 25851), (1231, 22890), (1526, 18465), (1635, 17234), (2289, 12310), (2462, 11445), (3270, 8617), (3693, 7630), (3815, 7386), (4578, 6155)]