217967440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15053}}^1$

素因数の和:15247

約数の個数: 40

約数和(自身を含む): 509608008

約数和(自身を除く): 291640568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 15053, 30106, 60212, 75265, 120424, 150530, 240848, 301060, 602120, 1204240, 2724593, 5449186, 10898372, 13622965, 21796744, 27245930, 43593488, 54491860, 108983720, 217967440]

約数ペア:

[(1, 217967440), (2, 108983720), (4, 54491860), (5, 43593488), (8, 27245930), (10, 21796744), (16, 13622965), (20, 10898372), (40, 5449186), (80, 2724593), (181, 1204240), (362, 602120), (724, 301060), (905, 240848), (1448, 150530), (1810, 120424), (2896, 75265), (3620, 60212), (7240, 30106), (14480, 15053)]