1229502440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{714827}}^1$

素因数の和:714881

約数の個数: 32

約数和(自身を含む): 2830718880

約数和(自身を除く): 1601216440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 714827, 1429654, 2859308, 3574135, 5718616, 7148270, 14296540, 28593080, 30737561, 61475122, 122950244, 153687805, 245900488, 307375610, 614751220, 1229502440]

約数ペア:

[(1, 1229502440), (2, 614751220), (4, 307375610), (5, 245900488), (8, 153687805), (10, 122950244), (20, 61475122), (40, 30737561), (43, 28593080), (86, 14296540), (172, 7148270), (215, 5718616), (344, 3574135), (430, 2859308), (860, 1429654), (1720, 714827)]