280178288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{3517}}^1$

素因数の和:3921

約数の個数: 40

約数和(自身を含む): 586295808

約数和(自身を除く): 306117520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 383, 766, 1532, 3064, 3517, 4979, 6128, 7034, 9958, 14068, 19916, 28136, 39832, 45721, 56272, 79664, 91442, 182884, 365768, 731536, 1347011, 2694022, 5388044, 10776088, 17511143, 21552176, 35022286, 70044572, 140089144, 280178288]

約数ペア:

[(1, 280178288), (2, 140089144), (4, 70044572), (8, 35022286), (13, 21552176), (16, 17511143), (26, 10776088), (52, 5388044), (104, 2694022), (208, 1347011), (383, 731536), (766, 365768), (1532, 182884), (3064, 91442), (3517, 79664), (4979, 56272), (6128, 45721), (7034, 39832), (9958, 28136), (14068, 19916)]