217449820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67531}}^1$

素因数の和:67570

約数の個数: 48

約数和(自身を含む): 544578048

約数和(自身を除く): 327128228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 67531, 135062, 270124, 337655, 472717, 675310, 945434, 1350620, 1553213, 1890868, 2363585, 3106426, 4727170, 6212852, 7766065, 9454340, 10872491, 15532130, 21744982, 31064260, 43489964, 54362455, 108724910, 217449820]

約数ペア:

[(1, 217449820), (2, 108724910), (4, 54362455), (5, 43489964), (7, 31064260), (10, 21744982), (14, 15532130), (20, 10872491), (23, 9454340), (28, 7766065), (35, 6212852), (46, 4727170), (70, 3106426), (92, 2363585), (115, 1890868), (140, 1553213), (161, 1350620), (230, 945434), (322, 675310), (460, 472717), (644, 337655), (805, 270124), (1610, 135062), (3220, 67531)]