279878075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 383308800

約数和(自身を除く): 103430725

約数列:

[1, 5, 19, 25, 31, 83, 95, 155, 229, 415, 475, 589, 775, 1145, 1577, 2075, 2573, 2945, 4351, 5725, 7099, 7885, 12865, 14725, 19007, 21755, 35495, 39425, 48887, 64325, 95035, 108775, 134881, 177475, 244435, 361133, 475175, 589217, 674405, 1222175, 1805665, 2946085, 3372025, 9028325, 11195123, 14730425, 55975615, 279878075]

約数ペア:

[(1, 279878075), (5, 55975615), (19, 14730425), (25, 11195123), (31, 9028325), (83, 3372025), (95, 2946085), (155, 1805665), (229, 1222175), (415, 674405), (475, 589217), (589, 475175), (775, 361133), (1145, 244435), (1577, 177475), (2075, 134881), (2573, 108775), (2945, 95035), (4351, 64325), (5725, 48887), (7099, 39425), (7885, 35495), (12865, 21755), (14725, 19007)]