13420610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 28625400

約数和(自身を除く): 15204790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 449, 490, 610, 854, 898, 2135, 2245, 2989, 3143, 4270, 4490, 5978, 6286, 14945, 15715, 22001, 27389, 29890, 31430, 44002, 54778, 110005, 136945, 191723, 220010, 273890, 383446, 958615, 1342061, 1917230, 2684122, 6710305, 13420610]

約数ペア:

[(1, 13420610), (2, 6710305), (5, 2684122), (7, 1917230), (10, 1342061), (14, 958615), (35, 383446), (49, 273890), (61, 220010), (70, 191723), (98, 136945), (122, 110005), (245, 54778), (305, 44002), (427, 31430), (449, 29890), (490, 27389), (610, 22001), (854, 15715), (898, 14945), (2135, 6286), (2245, 5978), (2989, 4490), (3143, 4270)]