131679940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30341}}^1$

素因数の和:30388

約数の個数: 48

約数和(自身を含む): 326237184

約数和(自身を除く): 194557244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 30341, 60682, 121364, 151705, 212387, 303410, 424774, 606820, 849548, 940571, 1061935, 1881142, 2123870, 3762284, 4247740, 4702855, 6583997, 9405710, 13167994, 18811420, 26335988, 32919985, 65839970, 131679940]

約数ペア:

[(1, 131679940), (2, 65839970), (4, 32919985), (5, 26335988), (7, 18811420), (10, 13167994), (14, 9405710), (20, 6583997), (28, 4702855), (31, 4247740), (35, 3762284), (62, 2123870), (70, 1881142), (124, 1061935), (140, 940571), (155, 849548), (217, 606820), (310, 424774), (434, 303410), (620, 212387), (868, 151705), (1085, 121364), (2170, 60682), (4340, 30341)]