249405650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1493}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 501858504

約数和(自身を除く): 252452854

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 257, 325, 514, 650, 1285, 1493, 2570, 2986, 3341, 6425, 6682, 7465, 12850, 14930, 16705, 19409, 33410, 37325, 38818, 74650, 83525, 97045, 167050, 194090, 383701, 485225, 767402, 970450, 1918505, 3837010, 4988113, 9592525, 9976226, 19185050, 24940565, 49881130, 124702825, 249405650]

約数ペア:

[(1, 249405650), (2, 124702825), (5, 49881130), (10, 24940565), (13, 19185050), (25, 9976226), (26, 9592525), (50, 4988113), (65, 3837010), (130, 1918505), (257, 970450), (325, 767402), (514, 485225), (650, 383701), (1285, 194090), (1493, 167050), (2570, 97045), (2986, 83525), (3341, 74650), (6425, 38818), (6682, 37325), (7465, 33410), (12850, 19409), (14930, 16705)]