2149204525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{907}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 3007557504

約数和(自身を除く): 858352979

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 317, 325, 575, 907, 1495, 1585, 4121, 4535, 7291, 7475, 7925, 11791, 20605, 20861, 22675, 36455, 58955, 94783, 103025, 104305, 182275, 271193, 287519, 294775, 473915, 521525, 1355965, 1437595, 2369575, 3737747, 6612937, 6779825, 7187975, 18688735, 33064685, 85968181, 93443675, 165323425, 429840905, 2149204525]

約数ペア:

[(1, 2149204525), (5, 429840905), (13, 165323425), (23, 93443675), (25, 85968181), (65, 33064685), (115, 18688735), (299, 7187975), (317, 6779825), (325, 6612937), (575, 3737747), (907, 2369575), (1495, 1437595), (1585, 1355965), (4121, 521525), (4535, 473915), (7291, 294775), (7475, 287519), (7925, 271193), (11791, 182275), (20605, 104305), (20861, 103025), (22675, 94783), (36455, 58955)]