290089492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 72

約数和(自身を含む): 668243520

約数和(自身を除く): 378154028

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 361, 418, 532, 722, 836, 1444, 1463, 2527, 2609, 2926, 3971, 5054, 5218, 5852, 7942, 10108, 10436, 15884, 18263, 27797, 28699, 36526, 49571, 55594, 57398, 73052, 99142, 111188, 114796, 198284, 200893, 346997, 401786, 545281, 693994, 803572, 941849, 1090562, 1387988, 1883698, 2181124, 3767396, 3816967, 6592943, 7633934, 10360339, 13185886, 15267868, 20720678, 26371772, 41441356, 72522373, 145044746, 290089492]

約数ペア:

[(1, 290089492), (2, 145044746), (4, 72522373), (7, 41441356), (11, 26371772), (14, 20720678), (19, 15267868), (22, 13185886), (28, 10360339), (38, 7633934), (44, 6592943), (76, 3816967), (77, 3767396), (133, 2181124), (154, 1883698), (209, 1387988), (266, 1090562), (308, 941849), (361, 803572), (418, 693994), (532, 545281), (722, 401786), (836, 346997), (1444, 200893), (1463, 198284), (2527, 114796), (2609, 111188), (2926, 99142), (3971, 73052), (5054, 57398), (5218, 55594), (5852, 49571), (7942, 36526), (10108, 28699), (10436, 27797), (15884, 18263)]