253178020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1277}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 556512768

約数和(自身を除く): 303334748

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 431, 460, 862, 1277, 1724, 2155, 2554, 4310, 5108, 6385, 8620, 9913, 12770, 19826, 25540, 29371, 39652, 49565, 58742, 99130, 117484, 146855, 198260, 293710, 550387, 587420, 1100774, 2201548, 2751935, 5503870, 11007740, 12658901, 25317802, 50635604, 63294505, 126589010, 253178020]

約数ペア:

[(1, 253178020), (2, 126589010), (4, 63294505), (5, 50635604), (10, 25317802), (20, 12658901), (23, 11007740), (46, 5503870), (92, 2751935), (115, 2201548), (230, 1100774), (431, 587420), (460, 550387), (862, 293710), (1277, 198260), (1724, 146855), (2155, 117484), (2554, 99130), (4310, 58742), (5108, 49565), (6385, 39652), (8620, 29371), (9913, 25540), (12770, 19826)]