2000223.00000000

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 79856000

約数和(自身を除く): 17917225

約数列:

[1, 5, 25, 31, 155, 229, 349, 775, 1145, 1745, 5725, 7099, 8725, 10819, 35495, 54095, 79921, 177475, 270475, 399605, 1998025, 2477551, 12387755, 61938775]

約数ペア:

[(1, 61938775), (5, 12387755), (25, 2477551), (31, 1998025), (155, 399605), (229, 270475), (349, 177475), (775, 79921), (1145, 54095), (1745, 35495), (5725, 10819), (7099, 8725)]