256962460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{676217}}^1$

素因数の和:676245

約数の個数: 24

約数和(自身を含む): 568023120

約数和(自身を除く): 311060660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 676217, 1352434, 2704868, 3381085, 6762170, 12848123, 13524340, 25696246, 51392492, 64240615, 128481230, 256962460]

約数ペア:

[(1, 256962460), (2, 128481230), (4, 64240615), (5, 51392492), (10, 25696246), (19, 13524340), (20, 12848123), (38, 6762170), (76, 3381085), (95, 2704868), (190, 1352434), (380, 676217)]