169202420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1087}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 365933568

約数和(自身を除く): 196731148

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 724, 860, 905, 1087, 1810, 2174, 3620, 4348, 5435, 7783, 10870, 15566, 21740, 31132, 38915, 46741, 77830, 93482, 155660, 186964, 196747, 233705, 393494, 467410, 786988, 934820, 983735, 1967470, 3934940, 8460121, 16920242, 33840484, 42300605, 84601210, 169202420]

約数ペア:

[(1, 169202420), (2, 84601210), (4, 42300605), (5, 33840484), (10, 16920242), (20, 8460121), (43, 3934940), (86, 1967470), (172, 983735), (181, 934820), (215, 786988), (362, 467410), (430, 393494), (724, 233705), (860, 196747), (905, 186964), (1087, 155660), (1810, 93482), (2174, 77830), (3620, 46741), (4348, 38915), (5435, 31132), (7783, 21740), (10870, 15566)]