290400655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 376358400

約数和(自身を除く): 85957745

約数列:

[1, 5, 19, 59, 95, 197, 263, 295, 985, 1121, 1315, 3743, 4997, 5605, 11623, 15517, 18715, 24985, 51811, 58115, 77585, 220837, 259055, 294823, 984409, 1104185, 1474115, 3056849, 4922045, 15284245, 58080131, 290400655]

約数ペア:

[(1, 290400655), (5, 58080131), (19, 15284245), (59, 4922045), (95, 3056849), (197, 1474115), (263, 1104185), (295, 984409), (985, 294823), (1121, 259055), (1315, 220837), (3743, 77585), (4997, 58115), (5605, 51811), (11623, 24985), (15517, 18715)]