217327300

素因数分解:

$2^2\times 5^2\times {\mathrm{647}}^1\times {\mathrm{3359}}^1$

素因数の和:4020

約数の個数: 36

約数和(自身を含む): 472469760

約数和(自身を除く): 255142460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 647, 1294, 2588, 3235, 3359, 6470, 6718, 12940, 13436, 16175, 16795, 32350, 33590, 64700, 67180, 83975, 167950, 335900, 2173273, 4346546, 8693092, 10866365, 21732730, 43465460, 54331825, 108663650, 217327300]

約数ペア:

[(1, 217327300), (2, 108663650), (4, 54331825), (5, 43465460), (10, 21732730), (20, 10866365), (25, 8693092), (50, 4346546), (100, 2173273), (647, 335900), (1294, 167950), (2588, 83975), (3235, 67180), (3359, 64700), (6470, 33590), (6718, 32350), (12940, 16795), (13436, 16175)]