1397226980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{10141}}^1$

素因数の和:10316

約数の個数: 36

約数和(自身を含む): 2970246972

約数和(自身を除く): 1573019992

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 6889, 10141, 13778, 20282, 27556, 34445, 40564, 50705, 68890, 101410, 137780, 202820, 841703, 1683406, 3366812, 4208515, 8417030, 16834060, 69861349, 139722698, 279445396, 349306745, 698613490, 1397226980]

約数ペア:

[(1, 1397226980), (2, 698613490), (4, 349306745), (5, 279445396), (10, 139722698), (20, 69861349), (83, 16834060), (166, 8417030), (332, 4208515), (415, 3366812), (830, 1683406), (1660, 841703), (6889, 202820), (10141, 137780), (13778, 101410), (20282, 68890), (27556, 50705), (34445, 40564)]