208598780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1483}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 472944864

約数和(自身を除く): 264346084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 1082, 1483, 2164, 2705, 2966, 5410, 5932, 7033, 7415, 10820, 14066, 14830, 19279, 28132, 29660, 35165, 38558, 70330, 77116, 96395, 140660, 192790, 385580, 802303, 1604606, 3209212, 4011515, 8023030, 10429939, 16046060, 20859878, 41719756, 52149695, 104299390, 208598780]

約数ペア:

[(1, 208598780), (2, 104299390), (4, 52149695), (5, 41719756), (10, 20859878), (13, 16046060), (20, 10429939), (26, 8023030), (52, 4011515), (65, 3209212), (130, 1604606), (260, 802303), (541, 385580), (1082, 192790), (1483, 140660), (2164, 96395), (2705, 77116), (2966, 70330), (5410, 38558), (5932, 35165), (7033, 29660), (7415, 28132), (10820, 19279), (14066, 14830)]