645385730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2833}}^1$

素因数の和:2979

約数の個数: 64

約数和(自身を含む): 1346716800

約数和(自身を除く): 701331070

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 190, 209, 218, 418, 545, 1045, 1090, 1199, 2071, 2090, 2398, 2833, 4142, 5666, 5995, 10355, 11990, 14165, 20710, 22781, 28330, 31163, 45562, 53827, 62326, 107654, 113905, 155815, 227810, 269135, 308797, 311630, 538270, 592097, 617594, 1184194, 1543985, 2960485, 3087970, 3396767, 5867143, 5920970, 6793534, 11734286, 16983835, 29335715, 33967670, 58671430, 64538573, 129077146, 322692865, 645385730]

約数ペア:

[(1, 645385730), (2, 322692865), (5, 129077146), (10, 64538573), (11, 58671430), (19, 33967670), (22, 29335715), (38, 16983835), (55, 11734286), (95, 6793534), (109, 5920970), (110, 5867143), (190, 3396767), (209, 3087970), (218, 2960485), (418, 1543985), (545, 1184194), (1045, 617594), (1090, 592097), (1199, 538270), (2071, 311630), (2090, 308797), (2398, 269135), (2833, 227810), (4142, 155815), (5666, 113905), (5995, 107654), (10355, 62326), (11990, 53827), (14165, 45562), (20710, 31163), (22781, 28330)]