219491140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{34403}}^1$

素因数の和:34452

約数の個数: 48

約数和(自身を含む): 520188480

約数和(自身を除く): 300697340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 34403, 68806, 137612, 172015, 344030, 378433, 688060, 756866, 997687, 1513732, 1892165, 1995374, 3784330, 3990748, 4988435, 7568660, 9976870, 10974557, 19953740, 21949114, 43898228, 54872785, 109745570, 219491140]

約数ペア:

[(1, 219491140), (2, 109745570), (4, 54872785), (5, 43898228), (10, 21949114), (11, 19953740), (20, 10974557), (22, 9976870), (29, 7568660), (44, 4988435), (55, 3990748), (58, 3784330), (110, 1995374), (116, 1892165), (145, 1513732), (220, 997687), (290, 756866), (319, 688060), (580, 378433), (638, 344030), (1276, 172015), (1595, 137612), (3190, 68806), (6380, 34403)]