190990256

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 383308800

約数和(自身を除く): 192318544

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 419, 496, 838, 919, 1676, 1838, 3352, 3676, 6704, 7352, 12989, 14704, 25978, 28489, 51956, 56978, 103912, 113956, 207824, 227912, 385061, 455824, 770122, 1540244, 3080488, 6160976, 11936891, 23873782, 47747564, 95495128, 190990256]

約数ペア:

[(1, 190990256), (2, 95495128), (4, 47747564), (8, 23873782), (16, 11936891), (31, 6160976), (62, 3080488), (124, 1540244), (248, 770122), (419, 455824), (496, 385061), (838, 227912), (919, 207824), (1676, 113956), (1838, 103912), (3352, 56978), (3676, 51956), (6704, 28489), (7352, 25978), (12989, 14704)]