16899580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 36741600

約数和(自身を除く): 19842020

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 149, 212, 214, 265, 298, 428, 530, 535, 596, 745, 1060, 1070, 1490, 2140, 2980, 5671, 7897, 11342, 15794, 15943, 22684, 28355, 31588, 31886, 39485, 56710, 63772, 78970, 79715, 113420, 157940, 159430, 318860, 844979, 1689958, 3379916, 4224895, 8449790, 16899580]

約数ペア:

[(1, 16899580), (2, 8449790), (4, 4224895), (5, 3379916), (10, 1689958), (20, 844979), (53, 318860), (106, 159430), (107, 157940), (149, 113420), (212, 79715), (214, 78970), (265, 63772), (298, 56710), (428, 39485), (530, 31886), (535, 31588), (596, 28355), (745, 22684), (1060, 15943), (1070, 15794), (1490, 11342), (2140, 7897), (2980, 5671)]