669551450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7919}}^1$

素因数の和:8039

約数の個数: 48

約数和(自身を含む): 1325808000

約数和(自身を除く): 656256550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 190, 445, 475, 890, 950, 1691, 2225, 3382, 4450, 7919, 8455, 15838, 16910, 39595, 42275, 79190, 84550, 150461, 197975, 300922, 395950, 704791, 752305, 1409582, 1504610, 3523955, 3761525, 7047910, 7523050, 13391029, 17619775, 26782058, 35239550, 66955145, 133910290, 334775725, 669551450]

約数ペア:

[(1, 669551450), (2, 334775725), (5, 133910290), (10, 66955145), (19, 35239550), (25, 26782058), (38, 17619775), (50, 13391029), (89, 7523050), (95, 7047910), (178, 3761525), (190, 3523955), (445, 1504610), (475, 1409582), (890, 752305), (950, 704791), (1691, 395950), (2225, 300922), (3382, 197975), (4450, 150461), (7919, 84550), (8455, 79190), (15838, 42275), (16910, 39595)]