203928175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 294918624

約数和(自身を除く): 90990449

約数列:

[1, 5, 11, 17, 25, 55, 85, 181, 187, 241, 275, 425, 905, 935, 1205, 1991, 2651, 3077, 4097, 4525, 4675, 6025, 9955, 13255, 15385, 20485, 33847, 43621, 45067, 49775, 66275, 76925, 102425, 169235, 218105, 225335, 479831, 741557, 846175, 1090525, 1126675, 2399155, 3707785, 8157127, 11995775, 18538925, 40785635, 203928175]

約数ペア:

[(1, 203928175), (5, 40785635), (11, 18538925), (17, 11995775), (25, 8157127), (55, 3707785), (85, 2399155), (181, 1126675), (187, 1090525), (241, 846175), (275, 741557), (425, 479831), (905, 225335), (935, 218105), (1205, 169235), (1991, 102425), (2651, 76925), (3077, 66275), (4097, 49775), (4525, 45067), (4675, 43621), (6025, 33847), (9955, 20485), (13255, 15385)]