219415420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82487}}^1$

素因数の和:82522

約数の個数: 48

約数和(自身を含む): 554319360

約数和(自身を除く): 334903940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 82487, 164974, 329948, 412435, 577409, 824870, 1154818, 1567253, 1649740, 2309636, 2887045, 3134506, 5774090, 6269012, 7836265, 10970771, 11548180, 15672530, 21941542, 31345060, 43883084, 54853855, 109707710, 219415420]

約数ペア:

[(1, 219415420), (2, 109707710), (4, 54853855), (5, 43883084), (7, 31345060), (10, 21941542), (14, 15672530), (19, 11548180), (20, 10970771), (28, 7836265), (35, 6269012), (38, 5774090), (70, 3134506), (76, 2887045), (95, 2309636), (133, 1649740), (140, 1567253), (190, 1154818), (266, 824870), (380, 577409), (532, 412435), (665, 329948), (1330, 164974), (2660, 82487)]