349804520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4127}}^1$

素因数の和:4314

約数の個数: 64

約数和(自身を含む): 853009920

約数和(自身を除く): 503205400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 1304, 1630, 2119, 3260, 4127, 4238, 6520, 8254, 8476, 10595, 16508, 16952, 20635, 21190, 33016, 41270, 42380, 53651, 82540, 84760, 107302, 165080, 214604, 268255, 429208, 536510, 672701, 1073020, 1345402, 2146040, 2690804, 3363505, 5381608, 6727010, 8745113, 13454020, 17490226, 26908040, 34980452, 43725565, 69960904, 87451130, 174902260, 349804520]

約数ペア:

[(1, 349804520), (2, 174902260), (4, 87451130), (5, 69960904), (8, 43725565), (10, 34980452), (13, 26908040), (20, 17490226), (26, 13454020), (40, 8745113), (52, 6727010), (65, 5381608), (104, 3363505), (130, 2690804), (163, 2146040), (260, 1345402), (326, 1073020), (520, 672701), (652, 536510), (815, 429208), (1304, 268255), (1630, 214604), (2119, 165080), (3260, 107302), (4127, 84760), (4238, 82540), (6520, 53651), (8254, 42380), (8476, 41270), (10595, 33016), (16508, 21190), (16952, 20635)]