78383480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{279941}}^1$

素因数の和:279959

約数の個数: 32

約数和(自身を含む): 201558240

約数和(自身を除く): 123174760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 279941, 559882, 1119764, 1399705, 1959587, 2239528, 2799410, 3919174, 5598820, 7838348, 9797935, 11197640, 15676696, 19595870, 39191740, 78383480]

約数ペア:

[(1, 78383480), (2, 39191740), (4, 19595870), (5, 15676696), (7, 11197640), (8, 9797935), (10, 7838348), (14, 5598820), (20, 3919174), (28, 2799410), (35, 2239528), (40, 1959587), (56, 1399705), (70, 1119764), (140, 559882), (280, 279941)]