208010404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5507}}^1$

素因数の和:5608

約数の個数: 48

約数和(自身を含む): 444165120

約数和(自身を除く): 236154716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2698, 5396, 5507, 9443, 11014, 18886, 22028, 37772, 38549, 77098, 104633, 154196, 209266, 390997, 418532, 732431, 781994, 1464862, 1563988, 2736979, 2929724, 5473958, 7428943, 10947916, 14857886, 29715772, 52002601, 104005202, 208010404]

約数ペア:

[(1, 208010404), (2, 104005202), (4, 52002601), (7, 29715772), (14, 14857886), (19, 10947916), (28, 7428943), (38, 5473958), (71, 2929724), (76, 2736979), (133, 1563988), (142, 1464862), (266, 781994), (284, 732431), (497, 418532), (532, 390997), (994, 209266), (1349, 154196), (1988, 104633), (2698, 77098), (5396, 38549), (5507, 37772), (9443, 22028), (11014, 18886)]