164903620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{168269}}^1$

素因数の和:168292

約数の個数: 36

約数和(自身を含む): 402838380

約数和(自身を除く): 237934760

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 168269, 336538, 673076, 841345, 1177883, 1682690, 2355766, 3365380, 4711532, 5889415, 8245181, 11778830, 16490362, 23557660, 32980724, 41225905, 82451810, 164903620]

約数ペア:

[(1, 164903620), (2, 82451810), (4, 41225905), (5, 32980724), (7, 23557660), (10, 16490362), (14, 11778830), (20, 8245181), (28, 5889415), (35, 4711532), (49, 3365380), (70, 2355766), (98, 1682690), (140, 1177883), (196, 841345), (245, 673076), (490, 336538), (980, 168269)]