217408030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{17351}}^1$

素因数の和:17544

約数の個数: 32

約数和(自身を含む): 449763840

約数和(自身を除く): 232355810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 6265, 12530, 17351, 34702, 86755, 121457, 173510, 242914, 607285, 1214570, 3105829, 6211658, 15529145, 21740803, 31058290, 43481606, 108704015, 217408030]

約数ペア:

[(1, 217408030), (2, 108704015), (5, 43481606), (7, 31058290), (10, 21740803), (14, 15529145), (35, 6211658), (70, 3105829), (179, 1214570), (358, 607285), (895, 242914), (1253, 173510), (1790, 121457), (2506, 86755), (6265, 34702), (12530, 17351)]