78389210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1009}}^1$

素因数の和:1490

約数の個数: 32

約数和(自身を含む): 149875920

約数和(自身を除く): 71486710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 457, 914, 1009, 2018, 2285, 4570, 5045, 7769, 10090, 15538, 17153, 34306, 38845, 77690, 85765, 171530, 461113, 922226, 2305565, 4611130, 7838921, 15677842, 39194605, 78389210]

約数ペア:

[(1, 78389210), (2, 39194605), (5, 15677842), (10, 7838921), (17, 4611130), (34, 2305565), (85, 922226), (170, 461113), (457, 171530), (914, 85765), (1009, 77690), (2018, 38845), (2285, 34306), (4570, 17153), (5045, 15538), (7769, 10090)]