201430420

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{12149}}^1$

素因数の和:12987

約数の個数: 24

約数和(自身を含む): 423549000

約数和(自身を除く): 222118580

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 8290, 12149, 16580, 24298, 48596, 60745, 121490, 242980, 10071521, 20143042, 40286084, 50357605, 100715210, 201430420]

約数ペア:

[(1, 201430420), (2, 100715210), (4, 50357605), (5, 40286084), (10, 20143042), (20, 10071521), (829, 242980), (1658, 121490), (3316, 60745), (4145, 48596), (8290, 24298), (12149, 16580)]