201447025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 303589944

約数和(自身を除く): 102142919

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 101, 221, 247, 323, 325, 361, 425, 475, 505, 1105, 1235, 1313, 1615, 1717, 1805, 1919, 2525, 4199, 4693, 5525, 6137, 6175, 6565, 8075, 8585, 9025, 9595, 20995, 22321, 23465, 24947, 30685, 32623, 32825, 36461, 42925, 47975, 79781, 104975, 111605, 117325, 124735, 153425, 163115, 182305, 398905, 424099, 473993, 558025, 619837, 623675, 815575, 911525, 1994525, 2120495, 2369965, 3099185, 8057881, 10602475, 11849825, 15495925, 40289405, 201447025]

約数ペア:

[(1, 201447025), (5, 40289405), (13, 15495925), (17, 11849825), (19, 10602475), (25, 8057881), (65, 3099185), (85, 2369965), (95, 2120495), (101, 1994525), (221, 911525), (247, 815575), (323, 623675), (325, 619837), (361, 558025), (425, 473993), (475, 424099), (505, 398905), (1105, 182305), (1235, 163115), (1313, 153425), (1615, 124735), (1717, 117325), (1805, 111605), (1919, 104975), (2525, 79781), (4199, 47975), (4693, 42925), (5525, 36461), (6137, 32825), (6175, 32623), (6565, 30685), (8075, 24947), (8585, 23465), (9025, 22321), (9595, 20995)]