343671940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 731989440

約数和(自身を除く): 388317500

約数列:

[1, 2, 4, 5, 10, 20, 139, 181, 278, 362, 556, 683, 695, 724, 905, 1366, 1390, 1810, 2732, 2780, 3415, 3620, 6830, 13660, 25159, 50318, 94937, 100636, 123623, 125795, 189874, 247246, 251590, 379748, 474685, 494492, 503180, 618115, 949370, 1236230, 1898740, 2472460, 17183597, 34367194, 68734388, 85917985, 171835970, 343671940]

約数ペア:

[(1, 343671940), (2, 171835970), (4, 85917985), (5, 68734388), (10, 34367194), (20, 17183597), (139, 2472460), (181, 1898740), (278, 1236230), (362, 949370), (556, 618115), (683, 503180), (695, 494492), (724, 474685), (905, 379748), (1366, 251590), (1390, 247246), (1810, 189874), (2732, 125795), (2780, 123623), (3415, 100636), (3620, 94937), (6830, 50318), (13660, 25159)]