553973840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{989239}}^1$

素因数の和:989259

約数の個数: 40

約数和(自身を含む): 1471989120

約数和(自身を除く): 918015280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 989239, 1978478, 3956956, 4946195, 6924673, 7913912, 9892390, 13849346, 15827824, 19784780, 27698692, 34623365, 39569560, 55397384, 69246730, 79139120, 110794768, 138493460, 276986920, 553973840]

約数ペア:

[(1, 553973840), (2, 276986920), (4, 138493460), (5, 110794768), (7, 79139120), (8, 69246730), (10, 55397384), (14, 39569560), (16, 34623365), (20, 27698692), (28, 19784780), (35, 15827824), (40, 13849346), (56, 9892390), (70, 7913912), (80, 6924673), (112, 4946195), (140, 3956956), (280, 1978478), (560, 989239)]