78155725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 108028800

約数和(自身を除く): 29873075

約数列:

[1, 5, 23, 25, 29, 43, 109, 115, 145, 215, 545, 575, 667, 725, 989, 1075, 1247, 2507, 2725, 3161, 3335, 4687, 4945, 6235, 12535, 15805, 16675, 23435, 24725, 28681, 31175, 62675, 72703, 79025, 107801, 117175, 135923, 143405, 363515, 539005, 679615, 717025, 1817575, 2695025, 3126229, 3398075, 15631145, 78155725]

約数ペア:

[(1, 78155725), (5, 15631145), (23, 3398075), (25, 3126229), (29, 2695025), (43, 1817575), (109, 717025), (115, 679615), (145, 539005), (215, 363515), (545, 143405), (575, 135923), (667, 117175), (725, 107801), (989, 79025), (1075, 72703), (1247, 62675), (2507, 31175), (2725, 28681), (3161, 24725), (3335, 23435), (4687, 16675), (4945, 15805), (6235, 12535)]