66443020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 163749600

約数和(自身を除く): 97306580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 302, 449, 490, 604, 755, 898, 980, 1057, 1510, 1796, 2114, 2245, 3020, 3143, 4228, 4490, 5285, 6286, 7399, 8980, 10570, 12572, 14798, 15715, 21140, 22001, 29596, 31430, 36995, 44002, 62860, 67799, 73990, 88004, 110005, 135598, 147980, 220010, 271196, 338995, 440020, 474593, 677990, 949186, 1355980, 1898372, 2372965, 3322151, 4745930, 6644302, 9491860, 13288604, 16610755, 33221510, 66443020]

約数ペア:

[(1, 66443020), (2, 33221510), (4, 16610755), (5, 13288604), (7, 9491860), (10, 6644302), (14, 4745930), (20, 3322151), (28, 2372965), (35, 1898372), (49, 1355980), (70, 949186), (98, 677990), (140, 474593), (151, 440020), (196, 338995), (245, 271196), (302, 220010), (449, 147980), (490, 135598), (604, 110005), (755, 88004), (898, 73990), (980, 67799), (1057, 62860), (1510, 44002), (1796, 36995), (2114, 31430), (2245, 29596), (3020, 22001), (3143, 21140), (4228, 15715), (4490, 14798), (5285, 12572), (6286, 10570), (7399, 8980)]