278319080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535229}}^1$

素因数の和:535253

約数の個数: 32

約数和(自身を含む): 674389800

約数和(自身を除く): 396070720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 535229, 1070458, 2140916, 2676145, 4281832, 5352290, 6957977, 10704580, 13915954, 21409160, 27831908, 34789885, 55663816, 69579770, 139159540, 278319080]

約数ペア:

[(1, 278319080), (2, 139159540), (4, 69579770), (5, 55663816), (8, 34789885), (10, 27831908), (13, 21409160), (20, 13915954), (26, 10704580), (40, 6957977), (52, 5352290), (65, 4281832), (104, 2676145), (130, 2140916), (260, 1070458), (520, 535229)]