129519320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{462569}}^1$

素因数の和:462587

約数の個数: 32

約数和(自身を含む): 333050400

約数和(自身を除く): 203531080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 462569, 925138, 1850276, 2312845, 3237983, 3700552, 4625690, 6475966, 9251380, 12951932, 16189915, 18502760, 25903864, 32379830, 64759660, 129519320]

約数ペア:

[(1, 129519320), (2, 64759660), (4, 32379830), (5, 25903864), (7, 18502760), (8, 16189915), (10, 12951932), (14, 9251380), (20, 6475966), (28, 4625690), (35, 3700552), (40, 3237983), (56, 2312845), (70, 1850276), (140, 925138), (280, 462569)]