216243440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{386149}}^1$

素因数の和:386169

約数の個数: 40

約数和(自身を含む): 574591200

約数和(自身を除く): 358347760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 386149, 772298, 1544596, 1930745, 2703043, 3089192, 3861490, 5406086, 6178384, 7722980, 10812172, 13515215, 15445960, 21624344, 27030430, 30891920, 43248688, 54060860, 108121720, 216243440]

約数ペア:

[(1, 216243440), (2, 108121720), (4, 54060860), (5, 43248688), (7, 30891920), (8, 27030430), (10, 21624344), (14, 15445960), (16, 13515215), (20, 10812172), (28, 7722980), (35, 6178384), (40, 5406086), (56, 3861490), (70, 3089192), (80, 2703043), (112, 1930745), (140, 1544596), (280, 772298), (560, 386149)]