428441720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1530149}}^1$

素因数の和:1530167

約数の個数: 32

約数和(自身を含む): 1101708000

約数和(自身を除く): 673266280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1530149, 3060298, 6120596, 7650745, 10711043, 12241192, 15301490, 21422086, 30602980, 42844172, 53555215, 61205960, 85688344, 107110430, 214220860, 428441720]

約数ペア:

[(1, 428441720), (2, 214220860), (4, 107110430), (5, 85688344), (7, 61205960), (8, 53555215), (10, 42844172), (14, 30602980), (20, 21422086), (28, 15301490), (35, 12241192), (40, 10711043), (56, 7650745), (70, 6120596), (140, 3060298), (280, 1530149)]