278898220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{7177}}^1$

素因数の和:7282

約数の個数: 48

約数和(自身を含む): 615011040

約数和(自身を除く): 336112820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 580, 670, 1340, 1943, 3886, 7177, 7772, 9715, 14354, 19430, 28708, 35885, 38860, 71770, 143540, 208133, 416266, 480859, 832532, 961718, 1040665, 1923436, 2081330, 2404295, 4162660, 4808590, 9617180, 13944911, 27889822, 55779644, 69724555, 139449110, 278898220]

約数ペア:

[(1, 278898220), (2, 139449110), (4, 69724555), (5, 55779644), (10, 27889822), (20, 13944911), (29, 9617180), (58, 4808590), (67, 4162660), (116, 2404295), (134, 2081330), (145, 1923436), (268, 1040665), (290, 961718), (335, 832532), (580, 480859), (670, 416266), (1340, 208133), (1943, 143540), (3886, 71770), (7177, 38860), (7772, 35885), (9715, 28708), (14354, 19430)]