248949680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{444553}}^1$

素因数の和:444573

約数の個数: 40

約数和(自身を含む): 661496352

約数和(自身を除く): 412546672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 444553, 889106, 1778212, 2222765, 3111871, 3556424, 4445530, 6223742, 7112848, 8891060, 12447484, 15559355, 17782120, 24894968, 31118710, 35564240, 49789936, 62237420, 124474840, 248949680]

約数ペア:

[(1, 248949680), (2, 124474840), (4, 62237420), (5, 49789936), (7, 35564240), (8, 31118710), (10, 24894968), (14, 17782120), (16, 15559355), (20, 12447484), (28, 8891060), (35, 7112848), (40, 6223742), (56, 4445530), (70, 3556424), (80, 3111871), (112, 2222765), (140, 1778212), (280, 889106), (560, 444553)]