28685470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 57494304

約数和(自身を除く): 28808834

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 151, 157, 242, 302, 314, 605, 755, 785, 1210, 1510, 1570, 1661, 1727, 3322, 3454, 8305, 8635, 16610, 17270, 18271, 18997, 23707, 36542, 37994, 47414, 91355, 94985, 118535, 182710, 189970, 237070, 260777, 521554, 1303885, 2607770, 2868547, 5737094, 14342735, 28685470]

約数ペア:

[(1, 28685470), (2, 14342735), (5, 5737094), (10, 2868547), (11, 2607770), (22, 1303885), (55, 521554), (110, 260777), (121, 237070), (151, 189970), (157, 182710), (242, 118535), (302, 94985), (314, 91355), (605, 47414), (755, 37994), (785, 36542), (1210, 23707), (1510, 18997), (1570, 18271), (1661, 17270), (1727, 16610), (3322, 8635), (3454, 8305)]