214089820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{218459}}^1$

素因数の和:218482

約数の個数: 36

約数和(自身を含む): 522993240

約数和(自身を除く): 308903420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 218459, 436918, 873836, 1092295, 1529213, 2184590, 3058426, 4369180, 6116852, 7646065, 10704491, 15292130, 21408982, 30584260, 42817964, 53522455, 107044910, 214089820]

約数ペア:

[(1, 214089820), (2, 107044910), (4, 53522455), (5, 42817964), (7, 30584260), (10, 21408982), (14, 15292130), (20, 10704491), (28, 7646065), (35, 6116852), (49, 4369180), (70, 3058426), (98, 2184590), (140, 1529213), (196, 1092295), (245, 873836), (490, 436918), (980, 218459)]