142865660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16729}}^1$

素因数の和:16806

約数の個数: 48

約数和(自身を含む): 348519360

約数和(自身を除く): 205653700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 16729, 33458, 66916, 83645, 117103, 167290, 234206, 334580, 468412, 585515, 1020469, 1171030, 2040938, 2342060, 4081876, 5102345, 7143283, 10204690, 14286566, 20409380, 28573132, 35716415, 71432830, 142865660]

約数ペア:

[(1, 142865660), (2, 71432830), (4, 35716415), (5, 28573132), (7, 20409380), (10, 14286566), (14, 10204690), (20, 7143283), (28, 5102345), (35, 4081876), (61, 2342060), (70, 2040938), (122, 1171030), (140, 1020469), (244, 585515), (305, 468412), (427, 334580), (610, 234206), (854, 167290), (1220, 117103), (1708, 83645), (2135, 66916), (4270, 33458), (8540, 16729)]