259096370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 515725056

約数和(自身を除く): 256628686

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 151, 197, 302, 335, 394, 670, 755, 871, 985, 1510, 1742, 1963, 1970, 2561, 3926, 4355, 5122, 8710, 9815, 10117, 12805, 13199, 19630, 20234, 25610, 26398, 29747, 50585, 59494, 65995, 101170, 131521, 131990, 148735, 171587, 263042, 297470, 343174, 386711, 657605, 773422, 857935, 1315210, 1715870, 1933555, 1993049, 3867110, 3986098, 9965245, 19930490, 25909637, 51819274, 129548185, 259096370]

約数ペア:

[(1, 259096370), (2, 129548185), (5, 51819274), (10, 25909637), (13, 19930490), (26, 9965245), (65, 3986098), (67, 3867110), (130, 1993049), (134, 1933555), (151, 1715870), (197, 1315210), (302, 857935), (335, 773422), (394, 657605), (670, 386711), (755, 343174), (871, 297470), (985, 263042), (1510, 171587), (1742, 148735), (1963, 131990), (1970, 131521), (2561, 101170), (3926, 65995), (4355, 59494), (5122, 50585), (8710, 29747), (9815, 26398), (10117, 25610), (12805, 20234), (13199, 19630)]