128548280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4733}}^1$

素因数の和:4848

約数の個数: 64

約数和(自身を含む): 334031040

約数和(自身を除く): 205482760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 4733, 5432, 6790, 9466, 13580, 18932, 23665, 27160, 33131, 37864, 47330, 66262, 94660, 132524, 165655, 189320, 265048, 331310, 459101, 662620, 918202, 1325240, 1836404, 2295505, 3213707, 3672808, 4591010, 6427414, 9182020, 12854828, 16068535, 18364040, 25709656, 32137070, 64274140, 128548280]

約数ペア:

[(1, 128548280), (2, 64274140), (4, 32137070), (5, 25709656), (7, 18364040), (8, 16068535), (10, 12854828), (14, 9182020), (20, 6427414), (28, 4591010), (35, 3672808), (40, 3213707), (56, 2295505), (70, 1836404), (97, 1325240), (140, 918202), (194, 662620), (280, 459101), (388, 331310), (485, 265048), (679, 189320), (776, 165655), (970, 132524), (1358, 94660), (1940, 66262), (2716, 47330), (3395, 37864), (3880, 33131), (4733, 27160), (5432, 23665), (6790, 18932), (9466, 13580)]