397210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 819072

約数和(自身を除く): 421862

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 157, 230, 253, 314, 506, 785, 1265, 1570, 1727, 2530, 3454, 3611, 7222, 8635, 17270, 18055, 36110, 39721, 79442, 198605, 397210]

約数ペア:

[(1, 397210), (2, 198605), (5, 79442), (10, 39721), (11, 36110), (22, 18055), (23, 17270), (46, 8635), (55, 7222), (110, 3611), (115, 3454), (157, 2530), (230, 1727), (253, 1570), (314, 1265), (506, 785)]