2450420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 6144768

約数和(自身を除く): 3694348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 761, 805, 1522, 1610, 3044, 3220, 3805, 5327, 7610, 10654, 15220, 17503, 21308, 26635, 35006, 53270, 70012, 87515, 106540, 122521, 175030, 245042, 350060, 490084, 612605, 1225210, 2450420]

約数ペア:

[(1, 2450420), (2, 1225210), (4, 612605), (5, 490084), (7, 350060), (10, 245042), (14, 175030), (20, 122521), (23, 106540), (28, 87515), (35, 70012), (46, 53270), (70, 35006), (92, 26635), (115, 21308), (140, 17503), (161, 15220), (230, 10654), (322, 7610), (460, 5327), (644, 3805), (761, 3220), (805, 3044), (1522, 1610)]