210003505180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{477259}}^1$

素因数の和:477731

約数の個数: 72

約数和(自身を含む): 514152198000

約数和(自身を除く): 304148692820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 449, 490, 898, 980, 1796, 2245, 3143, 4490, 6286, 8980, 12572, 15715, 22001, 31430, 44002, 62860, 88004, 110005, 220010, 440020, 477259, 954518, 1909036, 2386295, 3340813, 4772590, 6681626, 9545180, 13363252, 16704065, 23385691, 33408130, 46771382, 66816260, 93542764, 116928455, 214289291, 233856910, 428578582, 467713820, 857157164, 1071446455, 1500025037, 2142892910, 3000050074, 4285785820, 6000100148, 7500125185, 10500175259, 15000250370, 21000350518, 30000500740, 42000701036, 52500876295, 105001752590, 210003505180]

約数ペア:

[(1, 210003505180), (2, 105001752590), (4, 52500876295), (5, 42000701036), (7, 30000500740), (10, 21000350518), (14, 15000250370), (20, 10500175259), (28, 7500125185), (35, 6000100148), (49, 4285785820), (70, 3000050074), (98, 2142892910), (140, 1500025037), (196, 1071446455), (245, 857157164), (449, 467713820), (490, 428578582), (898, 233856910), (980, 214289291), (1796, 116928455), (2245, 93542764), (3143, 66816260), (4490, 46771382), (6286, 33408130), (8980, 23385691), (12572, 16704065), (15715, 13363252), (22001, 9545180), (31430, 6681626), (44002, 4772590), (62860, 3340813), (88004, 2386295), (110005, 1909036), (220010, 954518), (440020, 477259)]