521247650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135389}}^1$

素因数の和:135419

約数の個数: 48

約数和(自身を含む): 1208761920

約数和(自身を除く): 687514270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 135389, 270778, 676945, 947723, 1353890, 1489279, 1895446, 2978558, 3384725, 4738615, 6769450, 7446395, 9477230, 10424953, 14892790, 20849906, 23693075, 37231975, 47386150, 52124765, 74463950, 104249530, 260623825, 521247650]

約数ペア:

[(1, 521247650), (2, 260623825), (5, 104249530), (7, 74463950), (10, 52124765), (11, 47386150), (14, 37231975), (22, 23693075), (25, 20849906), (35, 14892790), (50, 10424953), (55, 9477230), (70, 7446395), (77, 6769450), (110, 4738615), (154, 3384725), (175, 2978558), (275, 1895446), (350, 1489279), (385, 1353890), (550, 947723), (770, 676945), (1925, 270778), (3850, 135389)]