204103225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 279982080

約数和(自身を除く): 75878855

約数列:

[1, 5, 19, 25, 31, 83, 95, 155, 167, 415, 475, 589, 775, 835, 1577, 2075, 2573, 2945, 3173, 4175, 5177, 7885, 12865, 13861, 14725, 15865, 25885, 39425, 48887, 64325, 69305, 79325, 98363, 129425, 244435, 263359, 346525, 429691, 491815, 1222175, 1316795, 2148455, 2459075, 6583975, 8164129, 10742275, 40820645, 204103225]

約数ペア:

[(1, 204103225), (5, 40820645), (19, 10742275), (25, 8164129), (31, 6583975), (83, 2459075), (95, 2148455), (155, 1316795), (167, 1222175), (415, 491815), (475, 429691), (589, 346525), (775, 263359), (835, 244435), (1577, 129425), (2075, 98363), (2573, 79325), (2945, 69305), (3173, 64325), (4175, 48887), (5177, 39425), (7885, 25885), (12865, 15865), (13861, 14725)]