1215690025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{479}}^1\times {\mathrm{839}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 1662393600

約数和(自身を除く): 446703575

約数列:

[1, 5, 11, 25, 55, 121, 275, 479, 605, 839, 2395, 3025, 4195, 5269, 9229, 11975, 20975, 26345, 46145, 57959, 101519, 131725, 230725, 289795, 401881, 507595, 1448975, 2009405, 2537975, 4420691, 10047025, 22103455, 48627601, 110517275, 243138005, 1215690025]

約数ペア:

[(1, 1215690025), (5, 243138005), (11, 110517275), (25, 48627601), (55, 22103455), (121, 10047025), (275, 4420691), (479, 2537975), (605, 2009405), (839, 1448975), (2395, 507595), (3025, 401881), (4195, 289795), (5269, 230725), (9229, 131725), (11975, 101519), (20975, 57959), (26345, 46145)]