130349780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20431}}^1$

素因数の和:20480

約数の個数: 48

約数和(自身を含む): 308931840

約数和(自身を除く): 178582060

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, 20431, 40862, 81724, 102155, 204310, 224741, 408620, 449482, 592499, 898964, 1123705, 1184998, 2247410, 2369996, 2962495, 4494820, 5924990, 6517489, 11849980, 13034978, 26069956, 32587445, 65174890, 130349780]

約数ペア:

[(1, 130349780), (2, 65174890), (4, 32587445), (5, 26069956), (10, 13034978), (11, 11849980), (20, 6517489), (22, 5924990), (29, 4494820), (44, 2962495), (55, 2369996), (58, 2247410), (110, 1184998), (116, 1123705), (145, 898964), (220, 592499), (290, 449482), (319, 408620), (580, 224741), (638, 204310), (1276, 102155), (1595, 81724), (3190, 40862), (6380, 20431)]