393721130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{155621}}^1$

素因数の和:155662

約数の個数: 32

約数和(自身を含む): 806744448

約数和(自身を除く): 413023318

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 155621, 311242, 778105, 1556210, 1711831, 3423662, 3579283, 7158566, 8559155, 17118310, 17896415, 35792830, 39372113, 78744226, 196860565, 393721130]

約数ペア:

[(1, 393721130), (2, 196860565), (5, 78744226), (10, 39372113), (11, 35792830), (22, 17896415), (23, 17118310), (46, 8559155), (55, 7158566), (110, 3579283), (115, 3423662), (230, 1711831), (253, 1556210), (506, 778105), (1265, 311242), (2530, 155621)]