201320140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1438001}}^1$

素因数の和:1438017

約数の個数: 24

約数和(自身を含む): 483168672

約数和(自身を除く): 281848532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1438001, 2876002, 5752004, 7190005, 10066007, 14380010, 20132014, 28760020, 40264028, 50330035, 100660070, 201320140]

約数ペア:

[(1, 201320140), (2, 100660070), (4, 50330035), (5, 40264028), (7, 28760020), (10, 20132014), (14, 14380010), (20, 10066007), (28, 7190005), (35, 5752004), (70, 2876002), (140, 1438001)]