291296180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{42463}}^1$

素因数の和:42493

約数の個数: 48

約数和(自身を含む): 713395200

約数和(自身を除く): 422099020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 42463, 84926, 169852, 212315, 297241, 424630, 594482, 849260, 1188964, 1486205, 2080687, 2972410, 4161374, 5944820, 8322748, 10403435, 14564809, 20806870, 29129618, 41613740, 58259236, 72824045, 145648090, 291296180]

約数ペア:

[(1, 291296180), (2, 145648090), (4, 72824045), (5, 58259236), (7, 41613740), (10, 29129618), (14, 20806870), (20, 14564809), (28, 10403435), (35, 8322748), (49, 5944820), (70, 4161374), (98, 2972410), (140, 2080687), (196, 1486205), (245, 1188964), (343, 849260), (490, 594482), (686, 424630), (980, 297241), (1372, 212315), (1715, 169852), (3430, 84926), (6860, 42463)]