78865210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 156164760

約数和(自身を除く): 77299550

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 289, 290, 493, 578, 941, 986, 1445, 1882, 2465, 2890, 4705, 4930, 8381, 9410, 15997, 16762, 27289, 31994, 41905, 54578, 79985, 83810, 136445, 159970, 271949, 272890, 463913, 543898, 927826, 1359745, 2319565, 2719490, 4639130, 7886521, 15773042, 39432605, 78865210]

約数ペア:

[(1, 78865210), (2, 39432605), (5, 15773042), (10, 7886521), (17, 4639130), (29, 2719490), (34, 2319565), (58, 1359745), (85, 927826), (145, 543898), (170, 463913), (289, 272890), (290, 271949), (493, 159970), (578, 136445), (941, 83810), (986, 79985), (1445, 54578), (1882, 41905), (2465, 31994), (2890, 27289), (4705, 16762), (4930, 15997), (8381, 9410)]