78497650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20389}}^1$

素因数の和:20419

約数の個数: 48

約数和(自身を含む): 182041920

約数和(自身を除く): 103544270

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, 20389, 40778, 101945, 142723, 203890, 224279, 285446, 448558, 509725, 713615, 1019450, 1121395, 1427230, 1569953, 2242790, 3139906, 3568075, 5606975, 7136150, 7849765, 11213950, 15699530, 39248825, 78497650]

約数ペア:

[(1, 78497650), (2, 39248825), (5, 15699530), (7, 11213950), (10, 7849765), (11, 7136150), (14, 5606975), (22, 3568075), (25, 3139906), (35, 2242790), (50, 1569953), (55, 1427230), (70, 1121395), (77, 1019450), (110, 713615), (154, 509725), (175, 448558), (275, 285446), (350, 224279), (385, 203890), (550, 142723), (770, 101945), (1925, 40778), (3850, 20389)]