17493980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17851}}^1$

素因数の和:17874

約数の個数: 36

約数和(自身を含む): 42737688

約数和(自身を除く): 25243708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17851, 35702, 71404, 89255, 124957, 178510, 249914, 357020, 499828, 624785, 874699, 1249570, 1749398, 2499140, 3498796, 4373495, 8746990, 17493980]

約数ペア:

[(1, 17493980), (2, 8746990), (4, 4373495), (5, 3498796), (7, 2499140), (10, 1749398), (14, 1249570), (20, 874699), (28, 624785), (35, 499828), (49, 357020), (70, 249914), (98, 178510), (140, 124957), (196, 89255), (245, 71404), (490, 35702), (980, 17851)]