402495382025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4951}}^1\times {\mathrm{15559}}^1$

素因数の和:20550

約数の個数: 48

約数和(自身を含む): 573275212800

約数和(自身を除く): 170779830775

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 4951, 5225, 15559, 24755, 54461, 77795, 94069, 123775, 171149, 272305, 295621, 388975, 470345, 855745, 1034759, 1361525, 1478105, 2351725, 3251831, 4278725, 5173795, 7390525, 16259155, 25868975, 77032609, 81295775, 385163045, 847358699, 1463619571, 1925815225, 4236793495, 7318097855, 16099815281, 21183967475, 36590489275, 80499076405, 402495382025]

約数ペア:

[(1, 402495382025), (5, 80499076405), (11, 36590489275), (19, 21183967475), (25, 16099815281), (55, 7318097855), (95, 4236793495), (209, 1925815225), (275, 1463619571), (475, 847358699), (1045, 385163045), (4951, 81295775), (5225, 77032609), (15559, 25868975), (24755, 16259155), (54461, 7390525), (77795, 5173795), (94069, 4278725), (123775, 3251831), (171149, 2351725), (272305, 1478105), (295621, 1361525), (388975, 1034759), (470345, 855745)]