977472020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6981943}}^1$

素因数の和:6981959

約数の個数: 24

約数和(自身を含む): 2345933184

約数和(自身を除く): 1368461164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6981943, 13963886, 27927772, 34909715, 48873601, 69819430, 97747202, 139638860, 195494404, 244368005, 488736010, 977472020]

約数ペア:

[(1, 977472020), (2, 488736010), (4, 244368005), (5, 195494404), (7, 139638860), (10, 97747202), (14, 69819430), (20, 48873601), (28, 34909715), (35, 27927772), (70, 13963886), (140, 6981943)]