28958440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103423}}^1$

素因数の和:103441

約数の個数: 32

約数和(自身を含む): 74465280

約数和(自身を除く): 45506840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103423, 206846, 413692, 517115, 723961, 827384, 1034230, 1447922, 2068460, 2895844, 3619805, 4136920, 5791688, 7239610, 14479220, 28958440]

約数ペア:

[(1, 28958440), (2, 14479220), (4, 7239610), (5, 5791688), (7, 4136920), (8, 3619805), (10, 2895844), (14, 2068460), (20, 1447922), (28, 1034230), (35, 827384), (40, 723961), (56, 517115), (70, 413692), (140, 206846), (280, 103423)]