128955890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{34759}}^1$

素因数の和:34826

約数の個数: 32

約数和(自身を含む): 270293760

約数和(自身を除く): 141337870

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 34759, 69518, 173795, 243313, 347590, 486626, 1216565, 1842227, 2433130, 3684454, 9211135, 12895589, 18422270, 25791178, 64477945, 128955890]

約数ペア:

[(1, 128955890), (2, 64477945), (5, 25791178), (7, 18422270), (10, 12895589), (14, 9211135), (35, 3684454), (53, 2433130), (70, 1842227), (106, 1216565), (265, 486626), (371, 347590), (530, 243313), (742, 173795), (1855, 69518), (3710, 34759)]