30298520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 78408000

約数和(自身を除く): 48109480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 449, 482, 898, 964, 1205, 1687, 1796, 1928, 2245, 2410, 3143, 3374, 3592, 4490, 4820, 6286, 6748, 8435, 8980, 9640, 12572, 13496, 15715, 16870, 17960, 25144, 31430, 33740, 62860, 67480, 108209, 125720, 216418, 432836, 541045, 757463, 865672, 1082090, 1514926, 2164180, 3029852, 3787315, 4328360, 6059704, 7574630, 15149260, 30298520]

約数ペア:

[(1, 30298520), (2, 15149260), (4, 7574630), (5, 6059704), (7, 4328360), (8, 3787315), (10, 3029852), (14, 2164180), (20, 1514926), (28, 1082090), (35, 865672), (40, 757463), (56, 541045), (70, 432836), (140, 216418), (241, 125720), (280, 108209), (449, 67480), (482, 62860), (898, 33740), (964, 31430), (1205, 25144), (1687, 17960), (1796, 16870), (1928, 15715), (2245, 13496), (2410, 12572), (3143, 9640), (3374, 8980), (3592, 8435), (4490, 6748), (4820, 6286)]