131985140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2351}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 317689344

約数和(自身を除く): 185704204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2351, 2807, 4010, 4702, 5614, 8020, 9404, 11228, 11755, 14035, 16457, 23510, 28070, 32914, 47020, 56140, 65828, 82285, 164570, 329140, 942751, 1885502, 3771004, 4713755, 6599257, 9427510, 13198514, 18855020, 26397028, 32996285, 65992570, 131985140]

約数ペア:

[(1, 131985140), (2, 65992570), (4, 32996285), (5, 26397028), (7, 18855020), (10, 13198514), (14, 9427510), (20, 6599257), (28, 4713755), (35, 3771004), (70, 1885502), (140, 942751), (401, 329140), (802, 164570), (1604, 82285), (2005, 65828), (2351, 56140), (2807, 47020), (4010, 32914), (4702, 28070), (5614, 23510), (8020, 16457), (9404, 14035), (11228, 11755)]