90972140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649801}}^1$

素因数の和:649817

約数の個数: 24

約数和(自身を含む): 218333472

約数和(自身を除く): 127361332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649801, 1299602, 2599204, 3249005, 4548607, 6498010, 9097214, 12996020, 18194428, 22743035, 45486070, 90972140]

約数ペア:

[(1, 90972140), (2, 45486070), (4, 22743035), (5, 18194428), (7, 12996020), (10, 9097214), (14, 6498010), (20, 4548607), (28, 3249005), (35, 2599204), (70, 1299602), (140, 649801)]