2878889390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{69859}}^1$

素因数の和:70196

約数の個数: 32

約数和(自身を含む): 5598300960

約数和(自身を除く): 2719411570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 3170, 4121, 8242, 20605, 41210, 69859, 139718, 349295, 698590, 908167, 1816334, 4540835, 9081670, 22145303, 44290606, 110726515, 221453030, 287888939, 575777878, 1439444695, 2878889390]

約数ペア:

[(1, 2878889390), (2, 1439444695), (5, 575777878), (10, 287888939), (13, 221453030), (26, 110726515), (65, 44290606), (130, 22145303), (317, 9081670), (634, 4540835), (1585, 1816334), (3170, 908167), (4121, 698590), (8242, 349295), (20605, 139718), (41210, 69859)]