217871300

素因数分解:

$2^2\times 5^2\times {\mathrm{881}}^1\times {\mathrm{2473}}^1$

素因数の和:3368

約数の個数: 36

約数和(自身を含む): 473508756

約数和(自身を除く): 255637456

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 881, 1762, 2473, 3524, 4405, 4946, 8810, 9892, 12365, 17620, 22025, 24730, 44050, 49460, 61825, 88100, 123650, 247300, 2178713, 4357426, 8714852, 10893565, 21787130, 43574260, 54467825, 108935650, 217871300]

約数ペア:

[(1, 217871300), (2, 108935650), (4, 54467825), (5, 43574260), (10, 21787130), (20, 10893565), (25, 8714852), (50, 4357426), (100, 2178713), (881, 247300), (1762, 123650), (2473, 88100), (3524, 61825), (4405, 49460), (4946, 44050), (8810, 24730), (9892, 22025), (12365, 17620)]