204328375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 270316800

約数和(自身を除く): 65988425

約数列:

[1, 5, 19, 25, 95, 125, 227, 379, 475, 1135, 1895, 2375, 4313, 5675, 7201, 9475, 21565, 28375, 36005, 47375, 86033, 107825, 180025, 430165, 539125, 900125, 1634627, 2150825, 8173135, 10754125, 40865675, 204328375]

約数ペア:

[(1, 204328375), (5, 40865675), (19, 10754125), (25, 8173135), (95, 2150825), (125, 1634627), (227, 900125), (379, 539125), (475, 430165), (1135, 180025), (1895, 107825), (2375, 86033), (4313, 47375), (5675, 36005), (7201, 28375), (9475, 21565)]