200917425

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 342978048

約数和(自身を除く): 142060623

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 223, 293, 615, 669, 879, 1025, 1115, 1465, 3075, 3345, 4395, 5575, 7325, 9143, 12013, 16725, 21975, 27429, 36039, 45715, 60065, 65339, 137145, 180195, 196017, 228575, 300325, 326695, 685725, 900975, 980085, 1633475, 2678899, 4900425, 8036697, 13394495, 40183485, 66972475, 200917425]

約数ペア:

[(1, 200917425), (3, 66972475), (5, 40183485), (15, 13394495), (25, 8036697), (41, 4900425), (75, 2678899), (123, 1633475), (205, 980085), (223, 900975), (293, 685725), (615, 326695), (669, 300325), (879, 228575), (1025, 196017), (1115, 180195), (1465, 137145), (3075, 65339), (3345, 60065), (4395, 45715), (5575, 36039), (7325, 27429), (9143, 21975), (12013, 16725)]