490090705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 682648560

約数和(自身を除く): 192557855

約数列:

[1, 5, 13, 17, 65, 85, 109, 169, 221, 313, 545, 845, 1105, 1417, 1565, 1853, 2873, 4069, 5321, 7085, 9265, 14365, 18421, 20345, 24089, 26605, 34117, 52897, 69173, 92105, 120445, 170585, 264485, 313157, 345865, 443521, 579989, 899249, 1565785, 2217605, 2899945, 4496245, 5765773, 7539857, 28828865, 37699285, 98018141, 490090705]

約数ペア:

[(1, 490090705), (5, 98018141), (13, 37699285), (17, 28828865), (65, 7539857), (85, 5765773), (109, 4496245), (169, 2899945), (221, 2217605), (313, 1565785), (545, 899249), (845, 579989), (1105, 443521), (1417, 345865), (1565, 313157), (1853, 264485), (2873, 170585), (4069, 120445), (5321, 92105), (7085, 69173), (9265, 52897), (14365, 34117), (18421, 26605), (20345, 24089)]