778870370

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1\times {\mathrm{1999}}^1$

素因数の和:2882

約数の個数: 32

約数和(自身を含む): 1434240000

約数和(自身を除く): 655369630

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 829, 1658, 1999, 3998, 4145, 8290, 9995, 19990, 38963, 77926, 93953, 187906, 194815, 389630, 469765, 939530, 1657171, 3314342, 8285855, 16571710, 77887037, 155774074, 389435185, 778870370]

約数ペア:

[(1, 778870370), (2, 389435185), (5, 155774074), (10, 77887037), (47, 16571710), (94, 8285855), (235, 3314342), (470, 1657171), (829, 939530), (1658, 469765), (1999, 389630), (3998, 194815), (4145, 187906), (8290, 93953), (9995, 77926), (19990, 38963)]