253444780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{309079}}^1$

素因数の和:309129

約数の個数: 24

約数和(自身を含む): 545217120

約数和(自身を除く): 291772340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 309079, 618158, 1236316, 1545395, 3090790, 6181580, 12672239, 25344478, 50688956, 63361195, 126722390, 253444780]

約数ペア:

[(1, 253444780), (2, 126722390), (4, 63361195), (5, 50688956), (10, 25344478), (20, 12672239), (41, 6181580), (82, 3090790), (164, 1545395), (205, 1236316), (410, 618158), (820, 309079)]