208202410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2\times {\mathrm{157}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 410224248

約数和(自身を除く): 202021838

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 157, 202, 314, 505, 785, 1010, 1313, 1570, 2041, 2626, 4082, 6565, 10201, 10205, 13130, 15857, 20402, 20410, 31714, 51005, 79285, 102010, 132613, 158570, 206141, 265226, 412282, 663065, 1030705, 1326130, 1601557, 2061410, 3203114, 8007785, 16015570, 20820241, 41640482, 104101205, 208202410]

約数ペア:

[(1, 208202410), (2, 104101205), (5, 41640482), (10, 20820241), (13, 16015570), (26, 8007785), (65, 3203114), (101, 2061410), (130, 1601557), (157, 1326130), (202, 1030705), (314, 663065), (505, 412282), (785, 265226), (1010, 206141), (1313, 158570), (1570, 132613), (2041, 102010), (2626, 79285), (4082, 51005), (6565, 31714), (10201, 20410), (10205, 20402), (13130, 15857)]