221543840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197807}}^1$

素因数の和:197829

約数の個数: 48

約数和(自身を含む): 598171392

約数和(自身を除く): 376627552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 197807, 395614, 791228, 989035, 1384649, 1582456, 1978070, 2769298, 3164912, 3956140, 5538596, 6329824, 6923245, 7912280, 11077192, 13846490, 15824560, 22154384, 27692980, 31649120, 44308768, 55385960, 110771920, 221543840]

約数ペア:

[(1, 221543840), (2, 110771920), (4, 55385960), (5, 44308768), (7, 31649120), (8, 27692980), (10, 22154384), (14, 15824560), (16, 13846490), (20, 11077192), (28, 7912280), (32, 6923245), (35, 6329824), (40, 5538596), (56, 3956140), (70, 3164912), (80, 2769298), (112, 1978070), (140, 1582456), (160, 1384649), (224, 989035), (280, 791228), (560, 395614), (1120, 197807)]