129563560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{462727}}^1$

素因数の和:462745

約数の個数: 32

約数和(自身を含む): 333164160

約数和(自身を除く): 203600600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 462727, 925454, 1850908, 2313635, 3239089, 3701816, 4627270, 6478178, 9254540, 12956356, 16195445, 18509080, 25912712, 32390890, 64781780, 129563560]

約数ペア:

[(1, 129563560), (2, 64781780), (4, 32390890), (5, 25912712), (7, 18509080), (8, 16195445), (10, 12956356), (14, 9254540), (20, 6478178), (28, 4627270), (35, 3701816), (40, 3239089), (56, 2313635), (70, 1850908), (140, 925454), (280, 462727)]