409800860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2927149}}^1$

素因数の和:2927165

約数の個数: 24

約数和(自身を含む): 983522400

約数和(自身を除く): 573721540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2927149, 5854298, 11708596, 14635745, 20490043, 29271490, 40980086, 58542980, 81960172, 102450215, 204900430, 409800860]

約数ペア:

[(1, 409800860), (2, 204900430), (4, 102450215), (5, 81960172), (7, 58542980), (10, 40980086), (14, 29271490), (20, 20490043), (28, 14635745), (35, 11708596), (70, 5854298), (140, 2927149)]