54321890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1879}}^1$

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 115732800

約数和(自身を除く): 61410910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 826, 1879, 2065, 2891, 3758, 4130, 5782, 9395, 13153, 14455, 18790, 26306, 28910, 65765, 92071, 110861, 131530, 184142, 221722, 460355, 554305, 776027, 920710, 1108610, 1552054, 3880135, 5432189, 7760270, 10864378, 27160945, 54321890]

約数ペア:

[(1, 54321890), (2, 27160945), (5, 10864378), (7, 7760270), (10, 5432189), (14, 3880135), (35, 1552054), (49, 1108610), (59, 920710), (70, 776027), (98, 554305), (118, 460355), (245, 221722), (295, 184142), (413, 131530), (490, 110861), (590, 92071), (826, 65765), (1879, 28910), (2065, 26306), (2891, 18790), (3758, 14455), (4130, 13153), (5782, 9395)]